Nano Straddle Flexible SMT Connector for Choice Sunkye R06 Mil Spec Straddle Flexible SMT Connector Description of Nano Straddle Flexible SMT Connector Features of Sunkye Nano Straddles Flexible SMT Connector Gold alloy Twist Pin contacts. Contacts number: 9, 15, 21, 25, 31, 37, 51, 65, 69. The connector is free mounted, not fixed, and usually mated with a receptacle that has a nut. Recommended JC (straight slot screw) types of screws. Tight by a miniature straight screwdriver. Choosing the JC1 (hex) type of screws, tight by 1.27 mm sub tense screwdriver. PC tail solder on flexible PCB, PCB thickness is 0.25MAX. Working temperature environment: -55â??~+125â??. Machine life: 200times. Nano Surface Mount USB Connector hardware includes jackscrew or female threaded shells. Applications include down-hole electronics, missile systems, launch vehicles, and satellites. M32139 type dual row nano miniature rectangular connectors. Flex assembly, PCB thru-hole, surface mount, straddle mount or back to back cable configurations. Connector savers and EMI protective cover are also available. Nano miniature dual-row plug and receptacle connectors are offered in titanium, stainless steel or aluminum shells. Straddle connectors are configured with 0.635 mm contact spacing and DWV rating of 250 volts AC. Up to 11 contact layouts are available with three wire type options including Ultra lightweight insulation with gold-coated high strength copper; extruded PTFE insulation with silver coated copper, and cross-link modified ETFE insulation with high strength silver coated copper.
Payments:T/T Delivery:2days for stock,OEM about 3-5weeks Origin:CHINA Packing:optical package Inspection:MIL Samples:Charge Sample Price:$0.10 Diffusion Bonded Crystal Bonding (Diffusion bonded) crystals consist of one laser crystal and one or two undoped material. They are combined by optical contact method and further bonded under high temperature. Diffusion Bonded Crystal helps to decrease thermal lens effect considerably. UPT can supply various standard assembly types as follows: Material Doping concentration(atm) or Optical Density(cm-1) Aperture (mm) Length of laser crystal(mm) YVO4+ Nd:YVO4 + YVO4 0.1%-3% 11-2020 0.15-30 2-15 YAG+Nd:YAG+ YAG 0.1%-2.5% 11-2020 0.125-200 2-15 YAG+Nd:YAG+Cr4+:YAG 0.1%-2.5% / 0.6~7 11-2020 0.125-200 2-15 YAG+Nd:Ce:YAG+ Cr4+:YAG 0.6~7 11-2020 0.125-200 2-10 YAG+Yb:YAG+ Cr4+:YAG 1%-45% / 0.6~7 11-2020 0.125-200 2-10 We have several assembly types as follows : For other assembly type and coating with HR+HT / PR/AR/HR are available, please contact us for more information.
1. Configuration: metal head and tail, strip bed surface. 2.specifications 2000 900 500mm ±10mm. 3. 3.bed plate: strip plate structure, the thickness of 1.0mm high quality cold rolled steel plate by stamping equipment molding,each bed plate, no seam, no edge, high hardness, easy to clean; The bed panel is connected with steel parts, movable support,and the back bed plate adopts the double "V" double support unloading structure, the structure unloading force is uniform and dispersed. 4, bed frame: 40�?80*1.2mm thick high-quality cold rolled square tube, head of bed, bed end of 38mm diameter, thickness of 1.2mm thick high-quality round tube, welding firm, thick and strong, to ensure the bearing capacity of the bed body 240KG. 5. Plastic spraying process: the metal surface of the bed is sprayed with electrostatic powder coating technology. After anti-rust treatment, the surface is sprayed with electrostatic powder on the external surface to ensure the rust prevention inside and outside the bed. 6. The bed frame adopts robot high-precision welding, welding precision is high, stable and solid.
1. Wide range of application, no weldability requirements for rebar, suitable for �?12 ~ 50mm HRB400, HRB500 same diameter or reducing diameter steel bar connection in any direction; 2. Convenient construction, fast connection speed, and the on-site connection and assembly operations take up a short time; 3. Environmentally friendly construction, no noise and pollution on site, safe and reliable.
No. Product Name RG No. Product Name RG No. Product Name RG 1 Crankshaft assemble RGF1300-02-00 84 Oil seal ring RGF1300-04.21 167 Adapter connectorZG2-1/2â?³ RGF1000-08A.07 2 Crankshaft assemble RGF1600-02-00 85 O-ring �?190�?3.55 �?190�?3.55 168 Short circuitZG2-1/2â?³-NPT2-1/2 RGF1300-08C.04 3 Pinion Shaft assemble RGF1300-03-00 86 Two-lip seal 5"X6.25"X0.625" RGF1300-04.08A 169 Flexible pipe �¦22�?�¦37 L=1500 4 Pinion Shaft assemble 87 Locking spring RGF1300-04.13 170 Gladhand �¦22�?�¦37 RGF1000-08.18.00 5 Crossing Head Assemble RGF1300-04-00 88 Splash guard RGF1300-04.10 171 90�°Elbow NPT1â?³ RGF1000-08.16 6 Hydraulic End Assemble RGF1300-05-00 89 Extension rod RGF1300-04.11 172 Adapter connector NPT2-1/2â?³ RGF800-08B.07 7 Power end lubrication assembly RGF1300-06-00 90 Crosshead pin RGF1300-04.12A 173 Sealing washer RGF1300-08B.09 8 Base Seat RGF1300-07-00 91 O-ring �?160�?7 125X7 174 NPT1â?³Flange RGF1300-08B.10 9 Spray Pump Assembly RGF1300-08-00 92 Bolt M20�?65 T52-6005K 175 Bead apex A-3708 A3708 10 Sealing washer RGF1000-09 93 Sealing gasket RGF1300-04.15 176 Flexible pipe �¦38�?�¦53 �¦38�?�¦53-L=750 11 Breather Cap 94 O-ring �?160�?7 GB3452.1-82 177 90�°Elbow 90�°-ZG2-1/2â?³ 12 Crane RGF1300-10-00 95 Lower slide RGF1300-04.17 178 32PLCentrifugal spray pump RGF1000-08-11-00 13 Cover Plate RGF1300-12-00 96 Crosshead pin guide RGF1300-04.18 179 Inside thread ball valve g1 " Q11F-16 14 Gasket 97 Cross head bearing254941QU NNAL6/206.375Q4/W33XYA2 RGF1300-04.19 180 O-ring�?165�?7 GB3452.1-82 15 Oil Level Indicator RGF1000-18-01-00 98 Pipe joint NPT3/8â?³�?2 RGF1000-04-07 181 The filter assembly RGF1300-19.01.00 16 Clean Out Cover(III) RGF1000-22-00 99 BoltM24�?60 T52-7008K 182 Shell RGF1000-12-01 17 Sealing washer 100 BoltM24�?70 T52-7009K 183 Double head bolt t53-4007 M39�?2-M39�?3�?135 18 Gasket 101 Locking plate RGF1000-04-13 184 Nut 1 M39�?3 T57-2011 19 Rubber Strip 102 Bolt M10�?25 GB5780-86 185 Flange5 1/8�?35MPa T58-1002 20 Aseismic double scale pressure gauge 103 Bolt M24�?65 GB70-85 186 Ring Gasket R44 T58-5002
Model: HRY0841000 Henryuan's Interchangeable Wall Plug 8.4V 1A Lithium-ion Battery Chargers are certified by UL, cUL, ETL, FCC, CE, GS, UKCA, SAA, PSE, and CCC. These high-quality chargers are designed for 2S 7.4V lithium-ion batteries, featuring advanced charging schemes and multiple protection mechanisms for safer and faster charging. Key Features: 1.Safety Certifications: UL, ETL, cUL, FCC, PSE, CE EMC, LVD, UKCA, SAA, KC, CCC. 2.Input Features: Input Voltage: 90-264Vac Rated Input Voltage: 100-240Vac Input Frequency: 47-63Hz Input Current: 0.6A Inrush Current: 35A 3.Output Specifications: Interchangeable plugs for UK, EU, US, AU, JP. Compatible with 7.4V lithium-ion batteries, charging at 8.4V 1A. LED dual color indicator (red for charging, green when fully charged). 4.Charging Status: Charging: constant current 1A, when battery voltage between 5V-8.4V (Red LED). Fully Charged: constant current 1A->0.2A, output voltage 8.4V (Red LED). Trickle Charging: 0.2A->0, output voltage 8.4V (Green LED).
Horizontal Plasma System AH-V1000 Merits: Environmentally friendly molecular-level surface cleaning enhances uniformity and hydrophilicity, making it an ideal pre-treatment for bonding processes. Application fields: Suitable for PCBs,FPC IC substrates, LCDs, PV batteries, semiconductors, PTFE, automotive interior parts, medical equipment, plastic and rubber products. Product Specifications: 1.Outline Dimensions (footprint):1850*1800*2100H mm 2.Vacuum chamber size:1450*670*950mm 3.Maximum Treatment Area:1290*570mm 4.Maximum number of processing layers:13 layer 5.Input voltage:3-Phase 380 VAC~440V, 50 Hz/60 Hz 6.Output frequency:40KHz 7.Output power:10Kw 8.Discharge vacuum:20Pa-80Pa 9.Loadable Gases: O2, N2, H2, CF4 10.Treatment Time for Each Batch: 15~30 minutes Features & Performance: 1.Suitable for large quantities of PCB/FPC and other products across a wide range of applications. 2.Short processing time and high efficiency to improve production capacity. 3.Extremely simple and convenient operation, with low usage costs and easy maintenance. 4.Dry process with no residue left on the product surface after treatment, ensuring no discharge of pollutants and providing a safe and environmentally friendly solution.
Diameter 43mm standard size 1.7mm thickness anodized aluminum alloy tube for Karakuri system. We are the manufacturer of aluminum tubes. Our products are sold directly from factories. With low prices and large shipments, we are the best choice for dealers. 43 series aluminum pipes are typically used in environments with higher requirements for load-bearing capacity. The aluminum tube with a thickness of 1.7mm can provide the user with sufficient bearing capacity. Compared with the traditional lean pipe, the aluminum pipe has less resin coating. Because the supporting connectors are also aluminum materials, it is easy to recycle when doing waste treatment. Moreover, the surface of the aluminum pipe is treated with acid resistant aluminum, and it can be kept beautiful for a long time without maintenance. At the same time, the aluminum tube surface is also coated to reduce oxidation and keep the factory clean. Features 1. WJ-LEANâ??s aluminum tube use international standard size, can be used in any international standard parts. 2. Easy assembly, only needs a screwdriver to complete the assembly. The material is environmentally friendly and recyclable. 3. Aluminum alloy surface is oxidized, the surface is smooth without burrs, and the overall system is beautiful and reasonable after assembly. 4.Product diversification design, DIY customized production, can meet the needs of different enterprises.
Diameter 28mm standard size 1.2mm thickness anodized aluminum alloy tube for Karakuri system.The aluminum tube with a thickness of 1.2mm can provide the user with sufficient bearing capacity. Compared with the traditional lean pipe, the aluminum pipe has less resin coating. Because the supporting connectors are also aluminum materials, it is easy to recycle when doing waste treatment. Moreover, the surface of the aluminum pipe is treated with acid resistant aluminum, and it can be kept beautiful for a long time without maintenance. At the same time, the aluminum tube surface is also coated to reduce oxidation and keep the factory clean. Features 1. WJ-LEANs aluminum tube use international standard size, can be used in any international standard parts. 2. Easy assembly, only needs a screwdriver to complete the assembly. The material is environmentally friendly and recyclable. 3. Aluminum alloy surface is oxidized, the surface is smooth without burrs, and the overall system is beautiful and reasonable after assembly. 4.Product diversification design, DIY customized production, can meet the needs of different enterprises.
TEMPO make humidity ovens are manufactured and design for electrical & electronic industries for testing components and equipment as per ISO 9000:2015 Testing cement, batteries, cigarettes, or any other material demanding controlled temperature & humidity. It is also used in industries like pharmaceutical for accelerating ageing, food & beverage, packing, department of botany, cytology, plant & animal breeding. Temperature range 5 C above ambient to 60 C Temperature accuracy ±0.5 C Temperature uniformity ±1 C Humidity Range 5% Rh above ambient to 90% Rh Humidity Accuracy ±2%Rh Humidity Uniformity ±3%Rh Controlling System : The temperature is controlled by means of imported microprocessors based autotune PID controller with CE mark & dual display of set value & process value. The humidity is controlled by means of imported microprocessors based autotune PID controller with CE mark & dual display of set value & process value with direct %RH. Air Circulation : The motorized blower at the backside of the chamber develops a unique air ow system which ensures maximum uniform temperature and humidity condition inside the chamber. The unique airflow assures quick recovery after the doors are opened. Heating System : High-quality U shape SS tubular heaters are used for better heating. Humidity System : Steam injection system (non-condensing type) & reservoir tank with water level arrangement with indicator.
Rotary Air Blower Product Description The Rotary Air Blower utilizes an involute profile integral shaft ductile iron impeller design. The head plate, gear cover, end caps and rigid one-piece housing are made of gray cast iron. Carburized and ground alloy steel timing gear tapers are mounted on the shaft and secured with locknuts. Cylindrical roller bearings are used on the drive end and ball bearings on the gear end. The characteristics and advantages of rotary blowers 1. Small size, large air volume, low noise, and low energy consumption (the rotary blower adopts the principle of operating compressed air, although small in size, it has high air volume, energy saving, and operates quietly) 2. The operation is smooth and the installation is very convenient (for small models, as long as they are placed properly, the vibration is minimal and there is no need to install anti vibration devices, making the installation very convenient). 3. Resistance to load changes and stable air volume (for example, if the pressure of the sewage treatment aeration tank changes, the load changes, but the air volume also changes very little with the pressure change). 4. Equipped with an air chamber for smooth air dissipation (all models are equipped with an air chamber to prevent air pulsation and ensure smooth air dissipation). 5. The material is excellent, the structure is clever, and the performance is excellent (all blowers are made of high-quality materials, the structure is exquisite, sturdy and durable, and the performance is excellent, with few faults occurring during long-term use). 6. Simple maintenance, few malfunctions, and long service life (low speed, low wear, and long service life).
F1300-F1600Drilling mud pump parts(RG Series) No. Product Name RG No. Product Name RG No. Product Name RG 1 Crankshaft assemble RGF1300-02-00 84 Oil seal ring RGF1300-04.21 167 Adapter connectorZG2-1/2 RGF1000-08A.07 2 Crankshaft assemble RGF1600-02-00 85 O-ring 190-3.55 1903.55 168 Short circuitZG2-1/2-NPT2-1/2 RGF1300-08C.04 3 Pinion Shaft assemble RGF1300-03-00 86 Two-lip seal 5"X6.25"X0.625" RGF1300-04.08A 169 Flexible pipe 22-37 L=1500 4 Pinion Shaft assemble 87 Locking spring RGF1300-04.13 170 Gladhand 2237 RGF1000-08.18.00 5 Crossing Head Assemble RGF1300-04-00 88 Splash guard RGF1300-04.10 171 90 Elbow NPT1 RGF1000-08.16 6 Hydraulic End Assemble RGF1300-05-00 89 Extension rod RGF1300-04.11 172 Adapter connector NPT2-1/2 RGF800-08B.07 7 Power end lubrication assembly RGF1300-06-00 90 Crosshead pin RGF1300-04.12A 173 Sealing washer RGF1300-08B.09 8 Base Seat RGF1300-07-00 91 O-ring 1607 125X7 174 NPT1 Flange RGF1300-08B.10 9 Spray Pump Assembly RGF1300-08-00 92 Bolt M2065 T52-6005K 175 Bead apex A-3708 A3708 10 Sealing washer RGF1000-09 93 Sealing gasket RGF1300-04.15 176 Flexible pipe 38 53 38 53-L=750 11 Breather Cap 94 O-ring 1607 GB3452.1-82 177 90 Elbow 90-ZG2-1/2 12 Crane RGF1300-10-00 95 Lower slide RGF1300-04.17 178 32PLCentrifugal spray pump RGF1000-08-11-00 13 Cover Plate RGF1300-12-00 96 Crosshead pin guide RGF1300-04.18 179 Inside thread ball valve g1 " Q11F-16 14 Gasket 97 Cross head bearing254941QU NNAL6/206.375Q4/W33XYA2 RGF1300-04.19 180 O-ring1657 GB3452.1-82 15 Oil Level Indicator RGF1000-18-01-00 98 Pipe joint NPT3/8 2 RGF1000-04-07 181 The filter assembly RGF1300-19.01.00 16 Clean Out Cover(III) RGF1000-22-00 99 BoltM2460 T52-7008K 182 Shell RGF1000-12-01 17 Sealing washer 100 BoltM2470 T52-7009K 183 Double head bolt t53-4007 M392-M39135 18 Gasket 101 Locking plate RGF1000-04-13 184 Nut 1 M393 T57-2011 19 Rubber Strip 102 Bolt M1025 GB5780-86 185 Flange5 1/8 35MPa T58-1002 20 Aseismic double scale pressure gauge 103 Bolt M2465 GB70-85 186 Ring Gasket R44 T58-5002 21 Discharge bend assembly 104 Loose-proof steel wire 1.6 GB4240-84 187 Discharge four-way 22 Plug screwZG1 1/2 105 Hydraulic cylinder assembly RGF1300-05.01A.00 188 Safety valve nozzle 23 Backing ringR44 106 Cylinder head flange RGF1300-05.02 189 Pressure gauge holder 24 Discharge filter assembly RGF1000-12-02-00 107 Cylinder head RGF1300-05.03 190 Double armed boltM27170 T53-1004 25 Flange5 1/8 35MPa 108 Plug board assembly RGF1300-05A.04.00 191 Reducer unionR 1 1/2 NPT2 T512-1001
Instant Electric Hot Water Faucet DR902 Instantaneous thick film instantaneous hot water faucet, the host can choose to install ultraviolet sterilization function and whether with water tank, to prevent the pipeline secondary pollution breeding bacteria caused by human health hazards. The main material is safe and environmentally friendly plastic, 304 stainless steel, aluminum alloy, etc., the product is durable. Description There are 4 styles to choose from, the host can be optional installation of ultraviolet sterilization function, lamp beads from Japan Asahi Kasei exclusive authorization, 265nm, a single lamp beads for 70/80 mW power, based on the sterilization rate of E. coli is 99.99%. Style Selection 1. Without tank, without sterilization of the host style. 95 above the hot water flow rate of 0.45L/min. 2. Without tank, with sterilization of the host style. 95 above the hot water flow rate of 0.45L/min. 3. With tank, without sterilization of the host style. 95 above the hot water flow rate of 1.2L/min. 4. With tank, with sterilization of the host style. 95 above the hot water flow rate of 1.2L / min. If you need to have the flow demand of the heating faucet, you can choose the host with a water tank.
Caterpillar 140M Motor Grader, E-rops cab with air conditioning, 6 cylinder turbocharged Caterpillar C7 ACERT Technology VHP engine with 208HP (155kW), Tier 3, EPA Compliant, 8F-6R powershift transmission, 14ft (4.26 Mtr) moldboard, MS rear ripper with full set of teeth, push block, centershift, differential unlock, accumulators, joystick controls, prepared for GPS, 17.5R25 Michelin XHA2 tyres, front and rear LED work lights. Machine comes straight out of work and is in clean condition
Go Green with Sando Ride Best and Affordable Electric Scooter from Sando Motors ICAT Certified Scooter Low Maintenance & High Performance Remote Key 1-2-3 Shift Gear Speed Modes Reverse Running System Li-ion Battery LED Headlight Foot Mat Tubeless Tyres Easy EMI options are available
PRODUCT SPECIFICATIONS FEATURES Upholstery Material: Top Grain Leather 7000 Color: Midnight Blue Quality: High Quality Materials and Construction Row Style: Straight Adjustable Power Headrest: Yes Adjustable Power Lumbar: Yes Cupholder Type: Blue LED Lighting Recline Mechanism: Power Recline Power Amperage: Standard 110v Plug Footrest: Chaise Style Padded Footrest Wallhugger: Yes, 6" from wall needed for full recline. Armrest Height: 26" Armrest Style: Padded w/ In-Arm Storage USB Charging: FREE USB Charging Port Equipped in Each Power Recline Switch, 1 Per Seat Easy-Off Backrest: Yes Baselighting: No Item SKU: 88-1895 CONSTRUCTION Frame Construction: Reinforced, Engineered, and Kiln-Dried Solid Wood Frame Joint Construction: Blocked Reinforced Springs: Pocketed Coil Springs Foam Type: High Resilience w/ Cool Gel Foam Density: 2.2 Density Memory Foam Weight Capacity: 350 lbs. Per Seat California Residents: WARNING, Proposition 65 Notice ASSEMBLY Assembly Required: Easy quick-connect backrest installation to allow for passage through doorways and hallways. PRODUCT DESCRIPTION Seatcraft Apex Midnight Blue Home Theater Seating Elevate your home with Seatcraft Apex leather home theater seats. Enjoy power recline, headrest, and lumbar support. Equipped with lighted cupholders, USB charging, and in-arm storage. Enhance your cinematic experience with the optional Sound Shakers.
Our Recessed LED Downlight offers unparalleled brightness and energy efficiency, transforming your space into a haven of modern illumination. Key Features 1. Brilliant Illumination: Experience superior brightness with our advanced LED technology, creating a well-lit and inviting atmosphere. 2. Energy Efficiency: Save on your electricity bills with our energy-efficient design. Illuminate your space without compromising on sustainability. 3. Dimmable Functionality: Customize your lighting experience with our dimmable downlights, providing the perfect ambiance for any occasion. 4. Sleek and Modern Design: Elevate your interior with our stylish and modern ceiling lights, seamlessly blending with any decor. The Downlight comes in Aluminum - Die - Cast for a longer life. The light is a perfect fit for office, homes, offices, shops, hospitals, hotels, hostels, showrooms and many more other places. This series of Downlight comes in different wattages & 120-degree beam angle.
Planter can precisely sow the seeds (sunflower, corn, chickpea, greenpea, melon, watermelon, peanut etc) in one-by-one norm, onto desired row-top distance easily. Seed Pressing Wheels, Electronic Control System, Micro Granulator and Fertilizing Discs can optionally be mounted for advanced requirements. Fertilizer Hoppers can optionally be manufactured in Stainless-Steel Inox material. The Planter can be connected to by means of 3-Point Hydraulic Linkage and manufactured in With or Without Fertilizing System. The Planter is driven by PTO Shaft mainly, but Hydramotor-Drive can also be combined optionally if desired. 2 Carrier Wheels located on both sides of the planter are moving-type and standard in all models. Carrier Wheels can move up and down by the surface of land and thus, a precise planting is also assured on uneven and rough lands. Stainless-Steel Inox Plates and Plate-Smoothing Brass-Discs on the Seed Chambers enable your planting much more stable ever. The New Double Disc Pneumatic KURT Planter has been manufactured of hi-quality material, blended with perfect workship and continuous R&D activities to become your best partner at your farm.
Applications 1.Skin Tightening 2.Wrinkle Removal 3.Eyes' area treatments 4.lncrease skin elasticity 5.Fat and cellulite reduction 6.Face wrinkle removal & lifting 7.Warm vacuum cellulite massage 8.Body slimming, contouring & shaping 9.Promote cell metabolism, improveblood circulation Working Principle 940nm Infrared laser reduces skin impedance by heating skin and RF energy penetrates deeply into connective tissue; The synergistic combination of infrared laser and conducted Bipolar RF energies increase the oxygen intracellular diffusion by heating the skin Vacuum plus specially designed rollers manipulate leads RF penetration to be even 5-15mm. At the same time, Cavitation and Rollers mechanical tissue manipulation nips and stretches fibrillar connective tissue, effectively breaks down subcutaneous fat as well as extruded capillary vessel, Increase lymphatic drainage, promotes metabolism and reduces or shrinks the size of the actual fat chamber and greatly improved body contouring effect; The technology that vacuum folds skin makes RF energy penetrate a specific folded skin, greatly improve effect and safety, even for the upper eyelid area treatment
Product Description Roots vacuum pump is a dry positive displacement pump. They operate on the Roots principle, which is similar to that of rotary vane pumps. These pumps are the ideal solution when fast pumping speeds are required. In the case of contactless, oil-free compression Roots booster pumps, two symmetrical cams rotate in the working chamber. During this process, the rotating blades do not come into contact with each other or the housing. Roots vacuum pumps are often used in pumping stations in combination with oil-lubricated rotary vane pumps to achieve very high volume flows and deep final vacuums. Benyuan's three-lobes roots vacuum pump is an internationally advanced roots blower produced by importing and digesting patents and proprietary technology from the American Hibar company and utilizing the company's advanced manufacturing processes. Features 1. Air cooling. Pressure rises to -50 kpa 2. Small size, lightweight, dual-purpose for both vertical and horizontal use, convenient to replace European and American models 3. High-speed, energy-saving 4. Belt self-tensioning technology, easy to use and maintain 5.Impedance-integrated composite muffler with good noise reduction effect