Grade900 Series
Place of OriginShandong China
Model NumberSteel Bar
TypeRound
Application construction Machined components
ShapeRound
Special UseValve Steels
Tolerance1 1
Processing ServiceBending Welding Decoiling Punching Cutting
Steel Grade301L S30815 301 304N 310S S32305 410
Standard : JIS, AISI, ASTM, GB, DIN, EN, BS ETC. Material 201 301304L 309S 316L310S321410 4302205 2507 904L INCOLOY Alloy HASTELLOY MONEL etc Specifications Round bar Diameter : 0.1~500mm Hexagonal bar Size : 2mm~100mm Flat bar Thickness : 0.3~200mm Width : 1~2500mm Square bar Size : 1mm*1mm~800mm*800mm Length : 2m, 5.8m, 6m, or as required. Surface : Black, peeled, polishing, bright, sand blast, hair line, etc. Price Term : Ex-work, FOB, CFR, CIF, etc. Export to : Singapore, Canada, Indonesia, Korea, USA, UK, Thailand, Peru, Saudi Arabia, Viet Nam, Ukraine, Brazil, South Africa, etc. Delivery Time : Standard size is in stock,prompt delivery or as order's quantity. Package : Export standard package, bundled or be required. The inner size of container is below: * 20ft GP: 5.9m(length) x 2.13m(width) x 2.18m(high)about 24-26CBM * 40ft GP: 11.8m(length) x 2.13m(width) x 2.18m(high) about 54CBM * 40ft HG: 11.8m(length) x 2.13m(width) x 2.72m(high) about 68CBM Use of stainless steel round bar: 1. It is used to manufacture self tapping screws such as bolts and nuts; 2. Used for manufacturing rivets; 3. Used for making spring steel wire and transmission mechanism parts; 4. It can be used for filling and strengthening in welding materials; 5. Main parts and components that can be used to manufacture molded articles; 6. It can be made into welded pipe for deep processing of seamless steel pipe or raw material of seamless steel pipe. 7. It is widely used in petroleum, chemical, food and other industries 8. It can also be used in shipbuilding, boiler and pressure vessel manufacturing, etc. 9. Mainly used for automobile parts: axle parts, such as automobile half axle sleeve and various small bearing shells 10. Mainly used for bicycle accessories: bicycle frame tube and various frame joints 11. Widely used in hardware products factories and machinery manufacturers 12. Widely used in various vehicle parts 13. Wide application and furniture decoration industry 14. Widely used in various mechanical equipment 15. Widely used in various pipelines 16. Widely used in various construction machinery 17. Applied to household appliances 18. Applied to electronic communication equipment
* Use of 2205 Stainless steel round bar: 1. The heater is generally used in the oil refining unit; 2. Chemical plant equipment pipeline; 3. Fast cooling cylinder for solid solution used in textile industry; 4. Seamless steel pipe for heat exchanger and condenser. 5. High pressure seamless steel pipe for food (gb-2000) is a high-quality carbon structural steel and alloy steel seamless steel pipe suitable for chemical equipment and pipes with working temperature of - 40~400 C and working pressure of 10~30ma. 6. Seamless steel pipes for geological drilling and oil drilling control. 7. Cracking pipe for petrochemical industry is used to transport high-temperature and high-pressure fluid on fertilizer equipment. Standard * JIS, AISI, ASTM, GB, DIN, EN, BS ETC. Material : 2205 Specifications Round bar Diameter:0.1~500mm Hexagonal bar Size: 2mm~100mm Flat bar Thickness : 0.3~200mm Width : 1~2500mm Square bar Size : 1mm*1mm~800mm*800mm Length : 2m, 5.8m, 6m, or as required. Surface : Black, peeled, polishing, bright, sand blast, hair line, etc. Price Term Ex-work, FOB, CFR, CIF, etc. Export to Singapore, Canada, Indonesia, Korea, USA, UK, Thailand, Peru, Saudi Arabia, Viet Nam, Ukraine, Brazil, South Africa, etc. Delivery Time * Standard size is in stock,prompt delivery or as order's quantity. Package Export standard package, bundled or be required. The inner size of container is below: 20ft GP: 5.9m(length) x 2.13m(width) x 2.18m(high)about 24-26CBM 40ft GP: 11.8m(length) x 2.13m(width) x 2.18m(high) about 54CBM 40ft HG: 11.8m(length) x 2.13m(width) x 2.72m(high) about 68CBM Use of stainless steel round bar: 1. It is used to manufacture self tapping screws such as bolts and nuts; 2. Used for manufacturing rivets; 3. Used for making spring steel wire and transmission mechanism parts; 4. It can be used for filling and strengthening in welding materials; 5. Main parts and components that can be used to manufacture molded articles; 6. It can be made into welded pipe for deep processing of seamless steel pipe or raw material of seamless steel pipe. 7. It is widely used in petroleum, chemical, food and other industries 8. It can also be used in shipbuilding, boiler and pressure vessel manufacturing, etc. 9. Mainly used for automobile parts: axle parts, such as automobile half axle sleeve and various small bearing shells 10. Mainly used for bicycle accessories: bicycle frame tube and various frame joints 11. Widely used in hardware products factories and machinery manufacturers 12. Widely used in various vehicle parts 13. Wide application and furniture decoration industry 14. Widely used in various mechanical equipment 15. Widely used in various pipelines 16. Widely used in various construction machinery 17. Applied to household appliances 18. Applied to electronic communication equipment
* 201 stainless steel is mainly used for decorative tubes, industrial tubes and some shallow stretched products. Such as: oil waste gas combustion pipeline; Engine exhaust pipe; Boiler shell, heat exchanger and heating furnace components; Silencing parts for diesel engine; Boiler pressure vessel; Chemical transport vehicle; Expansion joint; Spiral welded pipe for gas furnace pipe and dryer, etc. Standard : JIS, AISI, ASTM, GB, DIN, EN, BS ETC. Material : 201 Specifications Round bar Diameter : 0.1~500mm Hexagonal bar : Size: 2mm~100mm Flat bar Thickness : 0.3~200mm Width : 1~2500mm Square bar Size: 1mm*1mm~800mm*800mm Length : 2m, 5.8m, 6m, or as required. Surface : Black, peeled, polishing, bright, sand blast, hair line, etc. Price Term : Ex-work, FOB, CFR, CIF, etc. Export to : Singapore, Canada, Indonesia, Korea, USA, UK, Thailand, Peru, Saudi Arabia, Viet Nam, Ukraine, Brazil, South Africa, etc. Delivery Time : Standard size is in stock,prompt delivery or as order's quantity. Package : Export standard package, bundled or be required. The inner size of container is below: * 20ft GP: 5.9m(length) x 2.13m(width) x 2.18m(high)about 24-26CBM * 40ft GP: 11.8m(length) x 2.13m(width) x 2.18m(high) about 54CBM * 40ft HG: 11.8m(length) x 2.13m(width) x 2.72m(high) about 68CBM Use of stainless steel round bar: 1. It is used to manufacture self tapping screws such as bolts and nuts; 2. Used for manufacturing rivets; 3. Used for making spring steel wire and transmission mechanism parts; 4. It can be used for filling and strengthening in welding materials; 5. Main parts and components that can be used to manufacture molded articles; 6. It can be made into welded pipe for deep processing of seamless steel pipe or raw material of seamless steel pipe. 7. It is widely used in petroleum, chemical, food and other industries 8. It can also be used in shipbuilding, boiler and pressure vessel manufacturing, etc. 9. Mainly used for automobile parts: axle parts, such as automobile half axle sleeve and various small bearing shells 10. Mainly used for bicycle accessories: bicycle frame tube and various frame joints 11. Widely used in hardware products factories and machinery manufacturers 12. Widely used in various vehicle parts 13. Wide application and furniture decoration industry 14. Widely used in various mechanical equipment 15. Widely used in various pipelines 16. Widely used in various construction machinery 17. Applied to household appliances 18. Applied to electronic communication equipment
* 316L Stainless steel round bar is commonly used in pulp and paper making equipment, heat exchanger, dyeing equipment, film processing equipment, pipes, materials used for the exterior of buildings in coastal areas, as well as watch chains and case of advanced watches. Standard : JIS, AISI, ASTM, GB, DIN, EN, BS ETC. Material : 316L Specifications : Round bar Diameter : 0.1~500mm Hexagonal bar : Size: 2mm~100mm Flat bar : Thickness : 0.3~200mm Width : 1~2500mm Square bar : Size: 1mm*1mm~800mm*800mm Length : 2m, 5.8m, 6m, or as required. Surface : Black, peeled, polishing, bright, sand blast, hair line, etc. Price Term : Ex-work, FOB, CFR, CIF, etc. Export to : Singapore, Canada, Indonesia, Korea, USA, UK, Thailand, Peru, Saudi Arabia, Viet Nam, Ukraine, Brazil, South Africa, etc. Delivery Time : Standard size is in stock,prompt delivery or as order's quantity. Package : Export standard package, bundled or be required. The inner size of container is below: * 20ft GP: 5.9m(length) x 2.13m(width) x 2.18m(high)about 24-26CBM * 40ft GP: 11.8m(length) x 2.13m(width) x 2.18m(high) about 54CBM * 40ft HG: 11.8m(length) x 2.13m(width) x 2.72m(high) about 68CBM Use of stainless steel round bar: 1. It is used to manufacture self tapping screws such as bolts and nuts; 2. Used for manufacturing rivets; 3. Used for making spring steel wire and transmission mechanism parts; 4. It can be used for filling and strengthening in welding materials; 5. Main parts and components that can be used to manufacture molded articles; 6. It can be made into welded pipe for deep processing of seamless steel pipe or raw material of seamless steel pipe. 7. It is widely used in petroleum, chemical, food and other industries 8. It can also be used in shipbuilding, boiler and pressure vessel manufacturing, etc. 9. Mainly used for automobile parts: axle parts, such as automobile half axle sleeve and various small bearing shells 10. Mainly used for bicycle accessories: bicycle frame tube and various frame joints 11. Widely used in hardware products factories and machinery manufacturers 12. Widely used in various vehicle parts 13. Wide application and furniture decoration industry 14. Widely used in various mechanical equipment 15. Widely used in various pipelines 16. Widely used in various construction machinery 17. Applied to household appliances 18. Applied to electronic communication equipment
* 304L stainless steel is mainly used in automobile accessories, hardware tools, tableware, cabinets, medical appliances, office equipment, weaving, handicrafts, petroleum, electronics, chemicals, textile, food, machinery, construction, nuclear power, aerospace, military and other industries. Standard : JIS, AISI, ASTM, GB, DIN, EN, BS ETC. Material : 304L Specifications : Round bar Diameter : 0.1~500mm Hexagonal bar : Size: 2mm~100mm Flat bar : Thickness : 0.3~200mm Width : 1~2500mm Square bar : Size: 1mm*1mm~800mm*800mm Length : 2m, 5.8m, 6m, or as required. Surface : Black, peeled, polishing, bright, sand blast, hair line, etc. Price Term : Ex-work, FOB, CFR, CIF, etc. Export to : Singapore, Canada, Indonesia, Korea, USA, UK, Thailand, Peru, Saudi Arabia, Viet Nam, Ukraine, Brazil, South Africa, etc. Delivery Time : Standard size is in stock,prompt delivery or as order's quantity. Package : Export standard package, bundled or be required. The inner size of container is below: 20ft GP: 5.9m(length) x 2.13m(width) x 2.18m(high)about 24-26CBM 40ft GP: 11.8m(length) x 2.13m(width) x 2.18m(high) about 54CBM 40ft HG: 11.8m(length) x 2.13m(width) x 2.72m(high) about 68CBM Use of stainless steel round bar: 1. It is used to manufacture self tapping screws such as bolts and nuts; 2. Used for manufacturing rivets; 3. Used for making spring steel wire and transmission mechanism parts; 4. It can be used for filling and strengthening in welding materials; 5. Main parts and components that can be used to manufacture molded articles; 6. It can be made into welded pipe for deep processing of seamless steel pipe or raw material of seamless steel pipe. 7. It is widely used in petroleum, chemical, food and other industries 8. It can also be used in shipbuilding, boiler and pressure vessel manufacturing, etc. 9. Mainly used for automobile parts: axle parts, such as automobile half axle sleeve and various small bearing shells 10. Mainly used for bicycle accessories: bicycle frame tube and various frame joints 11. Widely used in hardware products factories and machinery manufacturers 12. Widely used in various vehicle parts 13. Wide application and furniture decoration industry 14. Widely used in various mechanical equipment 15. Widely used in various pipelines 16. Widely used in various construction machinery 17. Applied to household appliances 18. Applied to electronic communication equipment
310S Stainless steel round bar is widely used in kiln, high-temperature furnace, boiler, furnace liner high-temperature equipment, such as kiln car, boiler liner, high-temperature furnace, high-temperature furnace tube, combustion machine liner, etc. It can be used for high-temperature equipment. The product is resistant to high temperature and heat. 310S Stainless steel round bar has good creep strength and can work continuously under high temperature. The working temperature of 310S stainless steel is 1200 â??, and it can work continuously at 1100 â??. It is mainly used to manufacture high temperature exhaust pipe, high temperature furnace, high temperature furnace liner, crematory furnace and other steel grades requiring heat resistance, as well as high temperature and high temperature contact parts. Standard JIS, AISI, ASTM, GB, DIN, EN, BS ETC. Material 310S Specifications Round bar Diameter:0.1~500mm Hexagonal bar Size: 2mm~100mm Flat bar Thickness 0.3~200mm Width 1~2500mm Square bar Size: 1mm*1mm~800mm*800mm Length 2m, 5.8m, 6m, or as required. Surface Black, peeled, polishing, bright, sand blast, hair line, etc. Price Term Ex-work, FOB, CFR, CIF, etc. Export to Singapore, Canada, Indonesia, Korea, USA, UK, Thailand, Peru, Saudi Arabia, Viet Nam, Ukraine, Brazil, South Africa, etc. Delivery Time Standard size is in stock,prompt delivery or as order's quantity. Package Export standard package, bundled or be required. The inner size of container is below: 20ft GP: 5.9m(length) x 2.13m(width) x 2.18m(high)about 24-26CBM 40ft GP: 11.8m(length) x 2.13m(width) x 2.18m(high) about 54CBM 40ft HG: 11.8m(length) x 2.13m(width) x 2.72m(high) about 68CBM Use of stainless steel round bar: 1. It is used to manufacture self tapping screws such as bolts and nuts; 2. Used for manufacturing rivets; 3. Used for making spring steel wire and transmission mechanism parts; 4. It can be used for filling and strengthening in welding materials; 5. Main parts and components that can be used to manufacture molded articles; 6. It can be made into welded pipe for deep processing of seamless steel pipe or raw material of seamless steel pipe. 7. It is widely used in petroleum, chemical, food and other industries 8. It can also be used in shipbuilding, boiler and pressure vessel manufacturing, etc. 9. Mainly used for automobile parts: axle parts, such as automobile half axle sleeve and various small bearing shells 10. Mainly used for bicycle accessories: bicycle frame tube and various frame joints 11. Widely used in hardware products factories and machinery manufacturers 12. Widely used in various vehicle parts 13. Wide application and furniture decoration industry
430 stainless steel is used for building decoration, fuel burner parts, household appliances and household appliances. 430F is a steel with free cutting property added to 430 steel, mainly used for automatic lathes, bolts and nuts. 430LX adds Ti or Nb to 430 steel to reduce the content of C, which improves the processability and welding performance. It is mainly used in hot water tanks, hot water supply systems, sanitary appliances, household durable appliances, bicycle flywheels, etc. Standard JIS, AISI, ASTM, GB, DIN, EN, BS ETC. Material 430 Specifications Round bar Diameter:0.1~500mm Hexagonal bar Size: 2mm~100mm Flat bar Thickness 0.3~200mm Width 1~2500mm Square bar Size: 1mm*1mm~800mm*800mm Length 2m, 5.8m, 6m, or as required. Surface Black, peeled, polishing, bright, sand blast, hair line, etc. Price Term Ex-work, FOB, CFR, CIF, etc. Export to Singapore, Canada, Indonesia, Korea, USA, UK, Thailand, Peru, Saudi Arabia, Viet Nam, Ukraine, Brazil, South Africa, etc. Delivery Time Standard size is in stock,prompt delivery or as order's quantity. Package Export standard package, bundled or be required. The inner size of container is below: 20ft GP: 5.9m(length) x 2.13m(width) x 2.18m(high)about 24-26CBM 40ft GP: 11.8m(length) x 2.13m(width) x 2.18m(high) about 54CBM 40ft HG: 11.8m(length) x 2.13m(width) x 2.72m(high) about 68CBM Use of stainless steel round bar: 1. It is used to manufacture self tapping screws such as bolts and nuts; 2. Used for manufacturing rivets; 3. Used for making spring steel wire and transmission mechanism parts; 4. It can be used for filling and strengthening in welding materials; 5. Main parts and components that can be used to manufacture molded articles; 6. It can be made into welded pipe for deep processing of seamless steel pipe or raw material of seamless steel pipe. 7. It is widely used in petroleum, chemical, food and other industries 8. It can also be used in shipbuilding, boiler and pressure vessel manufacturing, etc. 9. Mainly used for automobile parts: axle parts, such as automobile half axle sleeve and various small bearing shells 10. Mainly used for bicycle accessories: bicycle frame tube and various frame joints 11. Widely used in hardware products factories and machinery manufacturers 12. Widely used in various vehicle parts 13. Wide application and furniture decoration industry 14. Widely used in various mechanical equipment 15. Widely used in various pipelines 16. Widely used in various construction machinery 17. Applied to household appliances 18. Applied to electronic communication equipment
2507 stainless steel is used in oil and natural gas industry; Offshore stone skyshatter oil platform (heat exchanger pipe, water treatment and water supply system, fire protection system, water spraying system, water stabilization system; petrochemical equipment; desalination (desalination) equipment (and high-pressure pipe and seawater pipe in the equipment). Mechanical and structural components that require both high strength and high corrosion resistance: fuel (waste) gas purification equipment. Standard JIS, AISI, ASTM, GB, DIN, EN, BS ETC. Material 2507 Specifications Round bar Diameter:0.1~500mm Hexagonal bar Size: 2mm~100mm Flat bar Thickness 0.3~200mm Width 1~2500mm Square bar Size: 1mm*1mm~800mm*800mm Length 2m, 5.8m, 6m, or as required. Surface Black, peeled, polishing, bright, sand blast, hair line, etc. Price Term Ex-work, FOB, CFR, CIF, etc. Export to Singapore, Canada, Indonesia, Korea, USA, UK, Thailand, Peru, Saudi Arabia, Viet Nam, Ukraine, Brazil, South Africa, etc. Delivery Time Standard size is in stock,prompt delivery or as order's quantity. Package Export standard package, bundled or be required. The inner size of container is below: 20ft GP: 5.9m(length) x 2.13m(width) x 2.18m(high)about 24-26CBM 40ft GP: 11.8m(length) x 2.13m(width) x 2.18m(high) about 54CBM 40ft HG: 11.8m(length) x 2.13m(width) x 2.72m(high) about 68CBM Use of stainless steel round bar: 1. It is used to manufacture self tapping screws such as bolts and nuts; 2. Used for manufacturing rivets; 3. Used for making spring steel wire and transmission mechanism parts; 4. It can be used for filling and strengthening in welding materials; 5. Main parts and components that can be used to manufacture molded articles; 6. It can be made into welded pipe for deep processing of seamless steel pipe or raw material of seamless steel pipe. 7. It is widely used in petroleum, chemical, food and other industries 8. It can also be used in shipbuilding, boiler and pressure vessel manufacturing, etc. 9. Mainly used for automobile parts: axle parts, such as automobile half axle sleeve and various small bearing shells 10. Mainly used for bicycle accessories: bicycle frame tube and various frame joints 11. Widely used in hardware products factories and machinery manufacturers 12. Widely used in various vehicle parts 13. Wide application and furniture decoration industry 14. Widely used in various mechanical equipment 15. Widely used in various pipelines 16. Widely used in various construction machinery 17. Applied to household appliances 18. Applied to electronic communication equipment
904L tainless steel round bar (super austenitic stainless steel) is a high alloyed austenitic stainless steel with very low carbon content. It has good corrosion resistance in dilute sulfuric acid and is specially designed for environments with severe corrosion conditions. It has high chromium content and sufficient nickel content. The addition of copper makes it have strong acid resistance, especially high resistance to chloride interstitial corrosion and stress corrosion cracking. It is not easy to appear corrosion spots and cracks. Its pitting resistance is slightly better than that of other steels. It has good processability and weldability, and can be used for pressure vessels. Standard JIS, AISI, ASTM, GB, DIN, EN, BS ETC. Material 904L Specifications Round bar Diameter:0.1~500mm Hexagonal bar Size: 2mm~100mm Flat bar Thickness 0.3~200mm Width 1~2500mm Square bar Size: 1mm*1mm~800mm*800mm Length 2m, 5.8m, 6m, or as required. Surface Black, peeled, polishing, bright, sand blast, hair line, etc. Price Term Ex-work, FOB, CFR, CIF, etc. Export to Singapore, Canada, Indonesia, Korea, USA, UK, Thailand, Peru, Saudi Arabia, Viet Nam, Ukraine, Brazil, South Africa, etc. Delivery Time Standard size is in stock,prompt delivery or as order's quantity. Package Export standard package, bundled or be required. The inner size of container is below: 20ft GP: 5.9m(length) x 2.13m(width) x 2.18m(high)about 24-26CBM 40ft GP: 11.8m(length) x 2.13m(width) x 2.18m(high) about 54CBM 40ft HG: 11.8m(length) x 2.13m(width) x 2.72m(high) about 68CBM Use of stainless steel round bar: 1. It is used to manufacture self tapping screws such as bolts and nuts; 2. Used for manufacturing rivets; 3. Used for making spring steel wire and transmission mechanism parts; 4. It can be used for filling and strengthening in welding materials; 5. Main parts and components that can be used to manufacture molded articles; 6. It can be made into welded pipe for deep processing of seamless steel pipe or raw material of seamless steel pipe. 7. It is widely used in petroleum, chemical, food and other industries 8. It can also be used in shipbuilding, boiler and pressure vessel manufacturing, etc. 9. Mainly used for automobile parts: axle parts, such as automobile half axle sleeve and various small bearing shells 10. Mainly used for bicycle accessories: bicycle frame tube and various frame joints 11. Widely used in hardware products factories and machinery manufacturers 12. Widely used in various vehicle parts 13. Wide application and furniture decoration industry 14. Widely used in various mechanical equipment 15. Widely used in various pipelines 16. Widely used in various construction machinery 17. Applied to household appliances 18. Applied to electronic communication equipment
About uses of Monel400 alloy: various heat exchange equipment, boiler feed water heaters, pipelines, containers, pumps, valves, shafts, etc. in petroleum and chemical processing, seawater desalination equipment, salt production equipment, propeller shafts, gasoline and water tanks, etc. Standard JIS, AISI, ASTM, GB, DIN, EN, BS ETC. Material Monel400 Specifications Round bar Diameter:0.1~500mm Hexagonal bar Size: 2mm~100mm Flat bar Thickness 0.3~200mm Width 1~2500mm Square bar Size: 1mm*1mm~800mm*800mm Length 2m, 5.8m, 6m, or as required. Surface Black, peeled, polishing, bright, sand blast, hair line, etc. Price Term Ex-work, FOB, CFR, CIF, etc. Export to Singapore, Canada, Indonesia, Korea, USA, UK, Thailand, Peru, Saudi Arabia, Viet Nam, Ukraine, Brazil, South Africa, etc. Delivery Time Standard size is in stock,prompt delivery or as order's quantity. Package Export standard package, bundled or be required. The inner size of container is below: 20ft GP: 5.9m(length) x 2.13m(width) x 2.18m(high)about 24-26CBM 40ft GP: 11.8m(length) x 2.13m(width) x 2.18m(high) about 54CBM 40ft HG: 11.8m(length) x 2.13m(width) x 2.72m(high) about 68CBM Use of stainless steel round bar: 1. It is used to manufacture self tapping screws such as bolts and nuts; 2. Used for manufacturing rivets; 3. Used for making spring steel wire and transmission mechanism parts; 4. It can be used for filling and strengthening in welding materials; 5. Main parts and components that can be used to manufacture molded articles; 6. It can be made into welded pipe for deep processing of seamless steel pipe or raw material of seamless steel pipe. 7. It is widely used in petroleum, chemical, food and other industries 8. It can also be used in shipbuilding, boiler and pressure vessel manufacturing, etc. 9. Mainly used for automobile parts: axle parts, such as automobile half axle sleeve and various small bearing shells 10. Mainly used for bicycle accessories: bicycle frame tube and various frame joints 11. Widely used in hardware products factories and machinery manufacturers 12. Widely used in various vehicle parts 13. Wide application and furniture decoration industry 14. Widely used in various mechanical equipment 15. Widely used in various pipelines 16. Widely used in various construction machinery 17. Applied to household appliances 18. Applied to electronic communication equipment and the project, in order to ensure the quality of the project.