Manufacturer And Exporter
manufacturer and export
This Machine is a crucial tool for achieving proper shape and lasting of shoe uppers. With its hydraulic pressure system, it enhances efficiency and delivers high-quality results. Its advanced features and sturdy construction make it indispensable in the footwear industry. The hydraulic seat lasting machine is designed for lasting shoes with heels up to 100mm in height. The micro switch device, this machine allows for easy and accurate adjustment and positioning. Our machine comes with a wiper and forming band to fit any shoe shape. The auxiliary supporter can be quickly and precisely adjusted using gears, racks, and ratchets. The machine has dual pressure system resulting in a smoother lasting area and superior shoe quality. Model No. BS-727A Dimension 1130 x 750 x 1450mm Capacity 150 Pairs/ hour N. W. 440 Kgs Power 2 HP Heating 1000 W Oil Pressure 40kg/cm2 Hydraulic Oil 70 liters (68 No.)
Discover the Power of Reclaimed Hydraulic Equipment: Sourced from Recycled Ships in Chittagong, Bangladesh. Welcome to our collection of meticulously salvaged hydraulic components, extracted from retired ships in Chittagong, Bangladesh. Each piece has been carefully refurbished to ensure optimal performance, presenting a range of essential equipment for various industrial and manufacturing needs. Explore our inventory, featuring a diverse array of hydraulic equipment, including: 1.Hydraulic Pumps: Reclaimed from decommissioned vessels, these pumps have been revitalized to deliver robust fluid power, catering to diverse pressure and flow requirements. 2.Hydraulic Motors: Extracted and rejuvenated to provide efficient rotary power, these motors offer reliability and resilience for your machinery and systems. 3.Hydraulic Valves: Reconditioned valves that control the flow, pressure, and direction of hydraulic fluid, serving as essential components for seamless operation. 4.Hydraulic Cylinders: Salvaged cylinders crafted for precision, power, and durability, suitable for a wide range of applications in various industries. 5.Hydraulic Controllers: Recycled and refurbished controllers designed to regulate and manage the operation of hydraulic systems, ensuring efficiency and smooth functionality. From pumps that ensure fluid transmission to motors powering essential machinery, valves controlling flow, cylinders offering linear force, and controllers managing the entire hydraulic systemâ??our inventory comprises a spectrum of quality hydraulic equipment, all sourced sustainably from retired ships in Chittagong. By choosing our reclaimed hydraulic equipment, not only do you secure reliable components for your operations, but you also actively participate in the global movement toward sustainability. Join us in embracing these eco-conscious solutions, fostering a more environmentally responsible approach to industrial needs while minimizing waste and promoting a circular economy. Experience the power and reliability of our reclaimed hydraulic equipment, where quality meets sustainability, offering a greener solution without compromising performance or durability."
Mainly used in machine tool industry, metallurgical industry, nuclear power industry, construction machinery, agricultural machinery, automobile industry, light and textile industry heavy-duty hydraulic cylinders, these robust and reliable heavy-duty hydraulic cylinders are designed for heavy-duty applications and have been tried out and tested for stability even under the most extreme conditions. Rexroth's range of heavy-duty hydraulic cylinders includes screw-on and welded cylinders.
Press Brake Hisman hydraulic CNC press brake machines can be fully configured to meet customer requirements and are designed for increased power, productivity and versatility. The robust construction and advanced technology of our machines ensure reliable operation and perfect repeatability, bending materials ranging from soft brass to chrome molybdenum. Hisman press brakes are capable of handling diverse demands, increasing productivity while maintaining unwavering reliability. The precision provided by our press brakes is a testament to our commitment to innovation and superior craftsmanship. We provide industry-leading service and support for each of our press brakes. Press brake is a machine used for bending sheet metal and metal plate, most commonly sheet metal. It forms predetermined bends by clamping the workpiece between a matching top tool and bottom die. Common press brake applications: Since press brake machines can be fitted with a wide range of punches and dies, they can be used for almost any sheet or plate metal shaping application. The most common are: Automotive panels Airframes Metal artwork Furniture Metal containers Many other sheet metal forming applications Almost any sheet or plate metal bending application can be accomplished using a press brake. Press brakes are most often used to produce multiple pieces of the same workpiece for further processing.
Hydraulic Lift Tables Hydraulic Lift Tables are commonly used to position loads at an ergonomic height for packaging and assembly operations, to interface with machinery, and to change elevations of various logistics infrastructures. Standard lift tables are those in which the capacity is between 2,000 and 6,000 Ibs, have a lowered height around 7", vertical travel of 24" to 60" and platform widths of 24" to 72". Standard lift tables make up the bulk of liftable applications and can be customized to fit specific requirements such as tapered toe guards for pit mounting as well as caster frame assemblies. Mobile lift tables come in a number of different powered and non-powered varieties. Both the vertical and horizontal motion can be manual, fully electrio or a combination of the two. Mobile lift tables, also called lift carts, that are manually pushed and elevated through the use of a manual foot pump are economic work positioning solutions for light duty assembly operations where the product is transported from work cell to work cell throughout the process and the changes in elevation are minor. On the other side of the spectrum, electric-hydraulic liftables paired with an industrial pallet truckfind great utility in die handling applications from die racks to presses. Rotating lift tables, commonly referred to as work positioners, are used in applications where access to all sides of the load is required. While a rotating top can be mounted to a standard liftable, lifts of this designation have been specifically designed to incorporate a rotating platform and feature reduced lowered heights. This reduction allows for greater access to tall palletsizes as well as accommodating greater differences in operator height. Low profile lift tables are used in applications where the lowered height is critical, ramping on to or off of the platform is required and a pit mounted solution is not feasible. With lowered heights around 3", the platform is accessible by use of a standard pallet jack. The constraints of a low profile design do not allow for heavy duty or high cycle applications as the scissor arms have to be narrow enough to fit within a confined space limiting the capacity to around 3,000 lbs. Stainless steel lift tables are for use in wash down applications, primarily in the food and pharmaceutical industries. Depending on the specific conditions of the application, a combination of stainless steel, special paints and other materials are used to meet the right combination of corrosion resistance and cost. Remote power units are typical for these types of applications and be housed in stainless steel.
Product Model - HAGGLUNDS DENISON P7P-3R1-5A2-B-2-01381 CODE NO 023-04381 SERIAL 69C07-2100
Fi-Way offers a comprehensive range of hydraulic and related products and services from the worldâ??s leading hydraulic suppliers. Our large technical specialist teams and engineers are able to offer impartial recommendations and problem-solving expertise for all your hydraulic equirements. FiWay has the product, experience and technical knowledge to support your hydraulic needs
It is a mobile hydraulic device. Mobile ramp is installed in warehouses and cargo docks for loading/unloading semi-trailers, road trains, containers, wagons. Transported by forklift. Safety margin +30%
Conventional and CNC-controlled shearing machines Sheet metal shearing machines are a must for most fabrication shops. Used to cut material and plate to size, they produce clean, straight edges and angles reliably with minimal material waste. Details Show FAQ: 1.Are you a manufacturer? Yes absolutely. Welcome a lot for your visiting to us. 2. how can we guarantee quality? Always a pre-production sample before mass production Always final Inspection before shipment. 3.How to pay for the machine? Payment term: 1) 30% /70% T/T before delivery;2) irrevocable L/C at sight. 4.Do you have after-sale support? Yes, we're always here for giving you advice and support for technical details since we have senior technician. 5.Is there quality control when manufacturing the lines? A:Yes, we have a group of team who will be responsible for quality control from laying off the raw material, processing the rollers and the other parts, make treatment on the roller surface and shaft,assembling,testing and packaging. 6.What's your strength comparing to the other supplier? A:We'll supplying you the best quality and service. We'll give you good advise beyond your requirements. The lines are easily for installation and with low mantenance requirements.
Hydraulic Pressure Testing Machine A hydraulic pressure testing machine is a device used to test the strength and integrity of various components and systems by subjecting them to hydraulic pressure. These machines are commonly used in industries such as manufacturing, automotive, aerospace, and oil and gas. The purpose of a hydraulic pressure testing machine is to simulate real-world conditions and determine if a component or system can withstand the specified pressure without failure or leakage. The operation of a hydraulic pressure testing machine involves the following steps: Preparation: The component or system to be tested is securely mounted in the test chamber or fixture. Proper connections, seals, and safety measures are ensured. Pressure Setting: The desired pressure level is set on the control panel. The pressure control system adjusts the hydraulic power unit to achieve and maintain the specified pressure. Pressurization: The hydraulic power unit generates hydraulic pressure, which is then applied to the component or system under test. The pressure is gradually increased to the specified level and maintained for a specific duration, allowing for observation and evaluation. Testing and Monitoring: During the pressurization phase, the operator monitors the pressure readings on the control panel. Any abnormalities, leaks, or failures are observed and recorded. Pressure relief valves ensure the pressure does not exceed the specified limit, ensuring safety. Test Completion: Once the testing is complete, the pressure is gradually released, and the component or system is carefully inspected for any signs of damage or leakage. Test results are recorded for analysis and documentation. Hydraulic pressure testing machines can be customized to accommodate a wide range of testing requirements, including different pressure ranges, test durations, and specific testing standards. They are an essential tool in quality control, product development, and ensuring the reliability and safety of components and systems under high-pressure conditions.
High quality A2FM16 hydraulic motor China made replacement for Rexroth
Winch drive shaft accessories ZJ32L6 sprocket BA70011-03.17 52824-20-B BUSHING, PIPE RDCING-COMM Drill pipe clamp accessories ZQ203-100 Rear box 02-18M Winch drive shaft accessories ZJ-50 outer gear OPERATION ROD ROTARY TABLE ZP-375 IDM 105.06.10.00 winch brake operating mechanismAccessories ZJ50D28 reset button ZB2BA3C MAN33.430TGA clutch * clutch release bearing 81305500116 MODIFIED SHOULDER BOLT 30177109-04 Drill pipe clamp accessories ZQ203-100 steel plate 0101-23AM Winch intermediate shaft accessories ZJ32L6 oil supply sprocket AF32002-04.10 110132 E33-1009-020 Air control components for drilling rigsThree-position four-way air guide valve 34R6Y-L6-D winch brake operating mechanismAccessories ZJ32L6 shaft AF32002-24.05 35*35 BOP accessoriesFZ35*35RS variable diameter ram sealing rubber core 41/2"~7" Drilling rig top drive accessoriesDQ40/50/70 two-position self-locking knob 1.23.06.55 Perforating Gun Accessories Vertically Oriented Perforating Gun Upper Female Connector DX89D-25 N10109 50703-2-AC SCREW, SET-SOC HD, TDS Power end accessories SNC70-30 SPM600S Link pin P60-13-004 Global valve BK-F-G2 SPECIAL RELAY FINDER 24 V 385170240050 00A15C011.008 Clamp: Double 3/8" Tube, PHM3I 94270-4 Cable 118993 LEAF SPRING 600X250, FOR DRAWWORKS, MODEL: JC 70D, MAKE: HH, P/N: 1300029413 Shim 0.002 91251-1 Drill pipe hanger accessories ZQ203-100 screw GB70-76 WASHER, LOCK STAR (BRASS) 87074-8-B Kit: High Load Piston Same As P/N76764-3 108894-P40 E33-1008-020 Parking brake valve(WANDFLUH AH4Z60A/R MAX 350 BAR) Turntable cat head shaft accessories ZJ-32 spacer BA70011-03.21 Roller Gear Hydraulic Motor 1.02.51.037 S01-1234-01N Brake pad DG225-12 for hook DG225 35�?70 BOP accessoriesFZ35�?70 dust ring SFZ1310-23 Gland 190x240x18 TC NBR WLK O-RING 51300-341-B 35*35 BOP accessories2FZ35-35 repair kit 35�?35 BOP accessoriesFZ35-35 locking shaft lip seal ring JK00213-9 Ring: Retaining for TDS 6910029-0200 Hydraulic tank accessories F-1000 Piston rod with cap TM-0148 COTTER PIN, FOR ELEVATOR, MODEL: DDZ-250 P/N: 130701943 107052 GAI-TRONICS Audio Cable 60075-001 S02-1006-010 75981 GASKET,RETAINER,SEAL Seal, Plug Cylinder Head, P/N:1317656,MP-16 SHIM, COMPOUND GEAR 120262-1 Label: Installation, Link 121483 Drilling rig top drive accessoriesDQ50/DQ70 tilt cylinder DQ-LHTY L100*555 All-in-one Panasonic 1538 4MB standard configuration JY246.4B long connection hose Wheel Loader AccessoriesLiugong ZL50C lower hinge pin ZL50C.8-17 Cylinder liner piston accessories F-1300 Center tie rod fixing screw RELAY SAFETY 2A/2B CONTACTS E15688 Diesel generator set accessoriesC550D5 QSX15G8 crankshaft front repair kit 3802820 Drilling rig top drive accessoriesDQ70â?¢-A Jaw holder 5" 1.14.17.009 35�?70 BOP AccessoriesFZ35-70 W type sealing ring SFZ2835-18 Drill pipe clamp accessories ZQ203-100 Connector 010810-02M Power selection box accessories SNC40-17 Plunger Packing 5" Ding Qing 150YZ-5K
Jaw frame insert 0101-02M Valve FD16KA10/B30 Belt Alternator CATERPILLAR141-7116 GH3101-31Nut:1-8UNC-2B(SPL) Valve for switching on a single pump CLBT5861 to XJ-450 https://www.amlppmfg.com/417-6401-hydraulic-tank-breather.html Hydraulic hoses �? 10 mm 35 MPa L-20m with 3/8" NPT fitting Transmission shaft L=1550 5000700139 Drive shaft for hydraulic tong TQ340/35YA TQ340-226 Diaphragm LGF3081-27.03.00G Loadmaster Straight check valve A-21,8 9162200000 Manual wedge wedge SDML 4-1/2" High pressure ball valve Q1INS-31.5-254401000040 55071773 AIR FILTER CARTRIDGE 4"UNION FIG.200-2000 PSI WP 3200914 Seal NB800G.03.12 GH3101-08.14Shim set Differential fall arrester TS30 Sala block Large gear Z=36 E721-09000091 Piston seal 9080000250 1.07.08.002 key GH3101-28.06Buffer pad 242Seal glue Set of balls for pumps 800550 120�?3 1.13.05.14 O-ring SWIVEL JOINT,LONGSWEEP 2" 15000 PSI 3144650 GH3101-02.12.00Nut:1 1/4-8UN-2B AC Contactor 150A 380V P/N:02020030005 Fluid-controlled change valve 3WH6B53 Hydraulic cylinder (shakle) 1300127821 Jaw holder RUS 6.40.066-02-221 01.01-24m ZQ203-100 Lift cylinder V-ring P1100327AA for XJ-450S Assembly connector 120158187 Packing5400900011 harting connector 9300060302 Explosion Proof Junction Box BHD51-3/4C XB15B0240506CNBPR GRP Xenon beacon, Certification: ATEX Certified, Ex II 2 GD, Ex db IIC T4/T5/(T6 dependant on version) Gb, Ex tb IIIC T85/100/135C Db IP66/IP67, SIL1 approval, Voltage: 24VDC, Tube Energy: 5 Joule, Flash Rate: 60FPM, Lens colour: Clear, Lens Guard: None, Fixing: Direct Mounting With Backstrap, Options: 1 x Certified Plug, Body Colour: Red https://www.amlppmfg.com/hydraulic-pump-a10vs018dfr1-31r-ppa12n002-1-01-001.html MANIFOLD TDS ASSEMBLY DTO 114174 HUMMEL circular plug connector 7101581010 ct. No 3301011800 YHIP-90-S explosion-proof audio acquisition system Air Pressure Regulator 870902-3030300 for Air system of ZJ-20 Rod 1291276 pump 8-P-80 NOV WASHER LOCK-HEAVY 51024-C EP electromagnetic change air valve Festo MFH-3-1/4-24VDC-EEX-M 3-7/16" Fanshaft Bearing BR1124 GATE VALVE 2" 7500 PSI J0251962572140 Tube-TDS 30114086-500 Connector cable frame Harting 09.14.006.0303 4-way air operated valve 34QZ.00 34ZR6Y-L8 AF700201-010906B1 Joint R3/8-M16X1.5 ROTOR 35�°OIL RESISTANT RUBBER350 E034262 SEAT BONNET J005521364 Morgan carbon brush EG236S Sealing bush 23046376 MINOR REPAIR KIT J02521601221 Screw 01.135-02B JIANGSU RUSHI ZQ203-100 hydraulic tong Seal GH3161-04.14
Mechanical Hydraulic spindle without original clutch mechanism.Rigid material-vise body of ductile iron FCD60JIS ( Equal toGGG60 ) with 60kgs/mm2or 80,000PSi tensile strength.
Grease 53219-1 NOV TDS-10SH top drive HRY51-G Led 28x2 B J , Explosion Proof Ss Linear Light Fixture 739.51 739.51 Suitable For Zone With Emergency Backup Bearing 29541565 BEARING-B604 NAICHI QUEST 6209-C3 REF 54-25-1 FOR GILL 600 5" SEAL RING FOR HAMMER UNION FIG 1002 120594 Water Separator 2250166734 BOLT OB BRG COVER 648401081 3861-139 WATER CASEGH3101-08.12.00 Jaw plate assembly 5 1/2 ZQ203-100 Shaft sleeve SBW 2D3.5108.06-05 Circuit Breaker NMA 160 A P/N:02010030004 Well Hand Control Panel Pump MSP/DrileX Manuf STAR Model SP1A MWP:10000psig 3/8'' NPTF INTERSTAGE SLEEVE DY155-67-0103 3" BUTTERFLY VALVE WAFER NE-C OIL RESISTANT 22121-1215311 2�?40 4.10.17.001 Cotter pin Ring UNR585.11308.04.007 Valve 8254.300.9151.02400 AC315002-09-Upper cylinder Brake head (working) KQ-21 M/D TOTCOMD CUP, MUD DIAPHRAGM RUBBER E40 10127413-002 Ramp degrees HH8S39WV HUMMEL circular plug connector 7101619010 ct. No 3301011270 Gland seal AH1001010416 Shut-off valve JZR3-L8 KJ2028S fully sealed control box Liner gasket 6�¾â??1540137 5209010358-Cutting sleeve 10 GB3764 GATE VALVE PN 7500PSI 2" 213962402 WING NUT HAMMERSEAL 10" PS100N Crosshead pin AH1001010408 BOMCO pump Ring Piston 65A159 Sleeve. Bushing 01.04-06 GH3161-22.04bolt:1 1/16-8UN-2AX170 Flange 3P100132 TWS pump-2000 Dimensions: 3'' material: steel Application: hydraulic part of pump 3407 Hyd hose 100R2-AT 6 X 29" FJIC X FJIC AZ702124-030400-Safety chain ROTOR 35�° 650 34307 Piston 29549939 Nipple joint seal 1993750223 UPPER SUPPORT BEARING BUSHING E018723 Gage-48 75000 FT LBS 5310074 Hydraulic motor H02-1004-010 SEAL RING DOOSAN 65.96507-0010 Spring GK.000.043 on the hydraulic tong door Valve Cover Seal RGF1000-05.09 ZJ-50/315 DB18 valve guide lower GH3161-05.05.00 G GASKET MOTOR/GEARbox 602-40-0 Bearing 917 / 174.625Q4 for SL 160 Swivel GH3101-02.17Baffle Hose assembly 19I-1600J36D-J36D GB/T5782-2000 BOLT M10 X 50 W01022096 SAND PUMP SB6X8FJ SPROCKET AF50001-01.02.09 Centrifugal pump HSR 8X6X14 mechanical seal DQM-Ll, M25 X 1.5 Cable Gland M25*1.5, 3/4''-14npt , Order Code 708003 SLEEVE STUFFING FOR KEER PUMP; DY180-67-0106 air filter 3012.36M.10.30 HAMMER UNION 5"FIG-1002 FMC 10000PSI WP 3260296 Two-section hydraulic pump Parker FM40.133/40.73 Chain 20A-3 X130 to XJ-450 Pneumatic Hose 65300-01 Spider Air filter element 21702911 circlip 1.06.19.002 Circuit Breaker NS250N TM200 3PFFC 0201-0121-00 EX-17-3-A-12-14S Receptacle CONTROLLER,SPEED 300611-01127A TX-160*80 filter element 2.4.03.005 V-belt CUMMINS187160 Valve assembly H7UB.280P Axis of planetary gear 56.320.02 Quincy Compressor Temperature Probe 143754/ 1627441094 YHQC-140A HD Dome Camera Spring HH8S24WV BEI Incremental Optical Encoder HS35F-100-R2-SS-1024-ABZC-5V/V-SM18-EX 01075-11 PDM HPU STRAINER SUMP ND200071 WT: 0.5LB 107865-16 Pin 45494 Piston pump 80S CY14-1B Cylinder Liner 5" dia FG45650
Bearing 610102-00-1010 for drawworks drum JC21D NSX 100N 3.01.02.01.071 circuit breaker 3.01.02.01.071 WAGO 750-600 END MODULE 0000-9668-48 Connection FESTO HH-KLT-1039 4301040032-Bearing 2007140 Hose assembly 25I-1100J42D-J42D GH3161-22.06Ring gasket:R27 Static disc for WCB 324 SF40-Di Dual Imaging Fixed Camera Station VALVE, HYDRAULIC, PN.H10053 RELAY XJ3-S 65.06901A0069 Thermostat gasket Throttle 8V 810904-00-3500 for Air system of Carrier XD-60ZJ-20 Meter- VDC, 0-1000V P/N:14070010001 YHT100N endoscopic explosion-proof camera Air Pressure requlater QTY-8 Brake band fixing shaft for hydraulic tong ZQ 203/100 ZQ203-098 1403020244-4ZV25J-7620V belt Hose assembly 32II-3500 hydraulic pump line 1101020093 XJ045SJHZC016 to XJ-450 unit O-ring �¤125 X7 Pressure gauge Y-100ZT 3802000080 0~40MPa(6000psi) Spring XYQ3C.B-18 Torsion springright GFD(S)370/150-1100SF Dual Duct Fan 81649209 OIL FILTER IN METAL BODY WITH SI 3 positions 4 sides reverse valve 810610-00-1530 for Air system of ZJ-20 Three-way ball valve KHN3K-G1-T-2233 PIN LOCATION POWER TONG ZQ203-100/125II 19.100-23 MOTOR FAN,0.55KW YFK80X-6 electric tach iron device MDC 130-16 FiXing clamp AH1001010521 Seat Inlet Valve 2815780703073 T002-200.00 Crown block saver Mosaic of the jaw holder 19.100-01 Rotating platform GQ080000ZAY200 GH3101-05.28.00Suction manifold V-belt 5ZV25J-6730 Sealing ring cover valve AN33001-05.09 h-shaped steel pipe 2.4.25.025 Pallet Chain Link forNE Bucket ElevatorNE 50-04-001 Pitch 152.4mm Thickness 8mm Gear assembly AH100101061200 Sheave 915 H915-01 for Crownblock TC158 5X4 R928022276 2.0130 H10XL-A00-0-M Seal ring 160 X7 GB3452.1 KERUI BG092009-0303 Sprocket Z=51 P=3S.1 Control shim 0.35 JC071.07 bearing cap JC055.02.12 SEAL RING FOR WECO UNION 3" FIG 1002-3205604 Bearing 610106-03-0910 for drawworks drum JC21D harting connector 19300241541 Removal tool for power connector contact tips BJ15 AC315002-21-Stop ring Ring Wiper 350-500 Varco 11751 Oilwell Equipment Jaw 4 8 1/2 p/n 200663-1 YHQC-141A-L Indoor HD Dome Air filter 106-3973 Electric starting motor CUMMINS 3102767 IS barrier Intrinsic Safety Barrier BEI 924-60004-003 12-24 Volts harting connector 19300480548 COMPOSITE CABLE 200 FT 122517-200-25-3-B CLAMP ASSEMBLYGH3101-05.24.00 PISTON 6 1/2"MUD PUMP IDECO T-1300 IP-619 Floating block H7UB.83P 10" BUTTERFLY VALVE WAFER NE-C OIL RESISTANT 22126-1215311 O-ring 568-042 FLO 75DR V14403294 Nipple 1079584014 ROCKWELL 100SC30EJ22C CONTACTOR NON REVERSING 600V MAX 30 AMP MAX Sealing ring RS11306.05.008 pump F-1000/800 PO CHECK VALVE, PN.H10071 "RTD 100 CHM PLATINU P/N: 250039-909 Make: Sullair" HAMMERSEAL O RING SIZE.3" PS30OR
Hydraulic Riveting machine is used for riveting SS and aluminum rivets. Design of the machine is very compact with C frame structure.
The main functions of the hydraulic splitter: quarrying blocks; secondary disintegration of large ores (metal mines, non-metal mines); 2. Partial and complete demolition of concrete components (cement pavement, machine base, bridges, house components); 3. . 1. Demolition of concrete structures in indoor or confined spaces, 4. Rock mining of tunnels, canals, etc. 1. Quarrying and mining industry (mining of large blocks, large block division, removal of large waste rocks, etc.) 2. Construction engineering (tunnel excavation, underground tunnel excavation, artificial river mining, artificial river, rock excavation, etc.) 3. Demolition works (concrete, reinforced concrete demolition, old building demolition, old wharf demolition, etc.) 4. Chemical metallurgical production overhaul project (smelting furnace overhaul, various kiln brick masonry demolition materials engineering, etc.) 5. All kinds of emergency rescue and disaster relief, mine clearance and other work, traffic accident rescue work)