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Spring Operating Mechanism

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Fuel Oil Pipelines Maintenance-Free Industrial Grade Custom Brass Check Valve Spring Non Return Swing Valve 1/2"3/4"1"

Fuel Oil Pipelines Maintenance-Free Industrial Grade Custom Brass Check Valve Spring Non Return Swing Valve 1/2"3/4"1"

US $ 1.2-7.5 / Piece FOB
1,000 Pieces (MOQ)
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Yuhuan Mingyu Fastener Factory

Zhejiang, China Since 2025
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Sitrak/Shacman/HOWO/Dongfeng/6X4/6X6/8X4/Heavy-Duty/Dump Trucks/Tractor Heads (30t/50t/80t/100t) /Cargo Trucks/Sand and Ore/Long-Distance Transport/Diesel/LHD

Sitrak/Shacman/HOWO/Dongfeng/6X4/6X6/8X4/Heavy-Duty/Dump Trucks/Tractor Heads (30t/50t/80t/100t) /Cargo Trucks/Sand and Ore/Long-Distance Transport/Diesel/LHD

US $ 12,000-14,000 / Piece FOB
1 Piece (MOQ)
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Zhonglei Truck Trading Co., Ltd.

Trading Company

Shandong, China Since 2024
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Hong Jin Corrugated Wave Microcomputer Flute Tester

Hong Jin Corrugated Wave Microcomputer Flute Tester

US $ 189-3,000 / Piece FOB
1 Piece (MOQ)
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Dongguan Hongjin Test Instrument Co., Ltd.

Guangdong, China Since 2018
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Used Tractor Truck HOWO 371 6X4 10 Wheeler Second Hand Trailer Head Used Tractor Truck

Used Tractor Truck HOWO 371 6X4 10 Wheeler Second Hand Trailer Head Used Tractor Truck

US $ 20,000-30,000 / Piece FOB
1 Piece (MOQ)
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Global Machinery Hub Co., Ltd.

Shanghai, China Since 2025
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Rugged Outdoor 12kv Vacuum Circuit Breaker Zw20-12f, Seismic Resistant

Rugged Outdoor 12kv Vacuum Circuit Breaker Zw20-12f, Seismic Resistant

US $ 500-1,000 / Piece FOB
1 Piece (MOQ)
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Zhejiang Kaibian Electric Technology Co., Ltd

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2025
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Best Price High Speed Capsule Filling Equipment Automatic Pharmaceutical Powder Capsule Filler Equipment Njp-7500

Best Price High Speed Capsule Filling Equipment Automatic Pharmaceutical Powder Capsule Filler Equipment Njp-7500

US $ 84,000-98,000 / Piece FOB
1 Piece (MOQ)
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Jastec (Shanghai) Technology Co., Ltd.

Trading Company

Shanghai, China Since 2025
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High Performance Skwj3 Underground Mining Scooptram Load Haul Dump Loader From China

High Performance Skwj3 Underground Mining Scooptram Load Haul Dump Loader From China

US $ 200,000-220,000 / Piece FOB
1 Piece (MOQ)
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Qingdao Showconn Machinery and Equipment Co., Ltd.

Trading Company

Shandong, China Since 2026
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HOWO Shacman 1suzu Dongfeng Foton FAW Rhd LHD 5m3 6m3 8m3 10m3 12m3 14m3 16m3 18m3 20m3 22m3 Skip Loder Hooklift Garbage Trucks on Sale

HOWO Shacman 1suzu Dongfeng Foton FAW Rhd LHD 5m3 6m3 8m3 10m3 12m3 14m3 16m3 18m3 20m3 22m3 Skip Loder Hooklift Garbage Trucks on Sale

US $ 35,900-43,900 / Unit FOB
1 Unit (MOQ)
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HUBEI DYT AUTO CO., LTD

Hubei, China Since 2025
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Factory Price Foton 3 Tons Road Recovery Rescue Flatbed Towing Wrecker Truck

Factory Price Foton 3 Tons Road Recovery Rescue Flatbed Towing Wrecker Truck

US $ 10,000 / Piece FOB
1 Piece (MOQ)
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HUBEI RUILI AUTOMOBILE CO., LTD.

Hubei, China Since 2021
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Isuzu Garbage Compactor Truck 7m3 8m3 10m3 Refuse Collecting Truck

Isuzu Garbage Compactor Truck 7m3 8m3 10m3 Refuse Collecting Truck

US $ 17,000-23,000 / Unit FOB
1 Unit (MOQ)
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Chengli Special Automobile Factory

Hubei, China Since 2014
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AC High Voltage Vacuum Load Switch FZ(R)N25-24D

AC High Voltage Vacuum Load Switch FZ(R)N25-24D

US $ 999 / Piece FOB
1 Piece (MOQ)
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Wuhan Feite Electric Co., Ltd.

Manufacturer/Factory & Trading Company

Hubei, China Since 2020
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5X10 Fiber Laser Cutter with Fully Enclosed Cover and Dual Exchange Table for Metal

5X10 Fiber Laser Cutter with Fully Enclosed Cover and Dual Exchange Table for Metal

US $ 20,000-30,000 / Piece FOB
1 Piece (MOQ)
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ShanDong Unistar Machinery Co., Ltd.

Trading Company

Shandong, China Since 2020
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HOWO 8X4 Left-Hand Drive Mercedes White Cab 371HP Wd615 Engine AC16 Dual Rear Axle 7600X2300X1500mm Cargo Body Tipper / Dump Truck

HOWO 8X4 Left-Hand Drive Mercedes White Cab 371HP Wd615 Engine AC16 Dual Rear Axle 7600X2300X1500mm Cargo Body Tipper / Dump Truck

US $ 10,000-20,000 / Piece FOB
1 Piece (MOQ)
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Liangshan Luyou Special Vehicle Sales Co., Ltd.

Shandong, China Since 2025
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Premium Aluminum Garage Doors Featuring High-Quality Tempered Glass

Premium Aluminum Garage Doors Featuring High-Quality Tempered Glass

US $ 60-250 / Square Meter FOB
5 Pieces (MOQ)
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Foshan Alliance Times Building Materials Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2024
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SS304 Stainless Steel Multi Bag Water Precision High Flow Filter Housing for Industrial Liquid Filtration

SS304 Stainless Steel Multi Bag Water Precision High Flow Filter Housing for Industrial Liquid Filtration

US $ 354-1,798 / Piece FOB
1 Piece (MOQ)
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Hebei Ince Environmental Technology Co., Ltd.

Trading Company

Hebei, China Since 2023
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Professional Manufacturer Silicon Making Rubber Desktop Injection Molding Machine

Professional Manufacturer Silicon Making Rubber Desktop Injection Molding Machine

US $ 37,000 / pieces FOB
1 pieces (MOQ)
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Huzhou Momu Intelligent Technology Co., Ltd

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2024
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Mx Table 6000 Advanced Electric Surgical Equipment for Efficiency Operating Table

Mx Table 6000 Advanced Electric Surgical Equipment for Efficiency Operating Table

US $ 1,380 / Set FOB
1 Set (MOQ)
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Shandong Mingxu Medical Equipment Co., Ltd.

Shandong, China Since 2024
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Factory Direct Low Profile Underground Mining Loader Scoop with 3 M3 Bucket From Showconn

Factory Direct Low Profile Underground Mining Loader Scoop with 3 M3 Bucket From Showconn

US $ 200,000-220,000 / Piece FOB
1 Piece (MOQ)
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Qingdao Showconn Machinery and Equipment Co., Ltd.

Trading Company

Shandong, China Since 2026
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Fixed Type Vcb 12kv 630A 25ka Medium High Voltage Indoor Vcb Vacuum Circuit Breaker

Fixed Type Vcb 12kv 630A 25ka Medium High Voltage Indoor Vcb Vacuum Circuit Breaker

US $ 450-850 / Piece FOB
1 Piece (MOQ)
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Zhejiang Mingtuo Electric Technology Co., Ltd.

Zhejiang, China Since 2025
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Renewable Energy Switchgear Breakers Solar/Wind Farm Compatible

Renewable Energy Switchgear Breakers Solar/Wind Farm Compatible

US $ 9,000-10,000 / Piece FOB
1 Piece (MOQ)
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Changzhou Pacific Electric Power Engineering Co., Ltd.

Jiangsu, China Since 2022
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Kd45 Drill Depth Hydraulic Crawler Reverse Diamond Core Rock Drilling Rig Machine Mining Tunnel Machinery Equipment Drill Rig for Mineral Mines Exploration

Kd45 Drill Depth Hydraulic Crawler Reverse Diamond Core Rock Drilling Rig Machine Mining Tunnel Machinery Equipment Drill Rig for Mineral Mines Exploration

US $ 10,580-24,880 / Piece FOB
1 Piece (MOQ)
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Shandong China Coal Industrial & Mining Supplies Group Co., Ltd.

Shandong, China Since 2012
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Original Limit Switch Rotary Adjustable Roller Mini Limit Switches Xcmd2102L AC250V 5A No Nc1 Year Warranty

Original Limit Switch Rotary Adjustable Roller Mini Limit Switches Xcmd2102L AC250V 5A No Nc1 Year Warranty

US $ 1.75-1.8 / Piece FOB
10 Pieces (MOQ)
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Jiangxi Nanma Electrical Co., Ltd.

Jiangxi, China Since 2015
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0.1-8mm Cr21al6nb Good Quality Heating Resistant Fecral Wire

0.1-8mm Cr21al6nb Good Quality Heating Resistant Fecral Wire

US $ 4.51-4.61 / kg FOB
20 kg (MOQ)
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Huona (Shanghai) New Material Co., Ltd.

Shanghai, China Since 2016
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About Spring Operating Mechanism FAQ

  • QHow can I find a reliable supplier for circuit breakers in China?

    The Spring Operating Mechanism is a top choice in our Circuit Breaker collection.To locate a reliable supplier in China, utilize industry websites, attend trade exhibitions, and seek referrals from industry experts. Verifying the supplier's credentials, requesting product samples, and assessing customer reviews are essential steps in ensuring product quality and service reliability.

  • QWhat are the main types of circuit breakers commonly available for purchase?

    The Spring Operating Mechanism is a standout piece in our Circuit Breaker collection.Various types of circuit breakers are available, such as air circuit breakers, miniature circuit breakers, and molded case circuit breakers. Each type serves different functions and operates at different voltage levels. Understanding your specific requirements will help you choose the suitable circuit breaker.

  • QWhat benefits can we gain from sourcing circuit breakers wholesale?

    The Spring Operating Mechanism is included in our comprehensive Circuit Breaker range.Sourcing circuit breakers wholesale provides cost advantages through bulk pricing. Additionally, purchasing in wholesale quantities ensures consistent quality and timely inventory replenishment. Some suppliers may also offer customization options and favorable terms for long-term partnerships.

Customizable MIG Valve Welding Machine for Industrial Valves, DN200-DN600, 24-Hour Service Support

Customizable MIG Valve Welding Machine for Industrial Valves, DN200-DN600, 24-Hour Service Support

US $ 1-2 / Set FOB
1 Set (MOQ)
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Shenyang Haobang Robotics Co., Ltd.

Manufacturer/Factory & Trading Company

Liaoning, China Since 2022
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Underground Coal Mine Explosion-Proof Electric Side Dump Rock Loader

Underground Coal Mine Explosion-Proof Electric Side Dump Rock Loader

US $ 20,000-40,000 / Piece FOB
1 Piece (MOQ)
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Hebei Fccs Mine Machinery Manufacturing Co., Ltd.

Manufacturer/Factory & Trading Company

Hebei, China Since 2025
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Tri-Ring 4*2 Garbage Truck Telescopic Hydraulic Cylinder Waste Refuse Compact Garbage Collection Truck

Tri-Ring 4*2 Garbage Truck Telescopic Hydraulic Cylinder Waste Refuse Compact Garbage Collection Truck

US $ 16,882-33,038 / Piece FOB
1 Piece (MOQ)
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Hubei Tri-Ring International Co., Limited

Trading Company

Hubei, China Since 2019
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Q961f-16s Electric PVC Ball Valve Plastic Ball Valve

Q961f-16s Electric PVC Ball Valve Plastic Ball Valve

US $ 30-4,000 / Piece FOB
1 Piece (MOQ)
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Wenzhou Valvespro Flow Control Technology Co., Ltd.

Zhejiang, China Since 2020
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Engineered for Endurance: Powder Metallurgy Tensioners & Self-Lubricating Bearings

Engineered for Endurance: Powder Metallurgy Tensioners & Self-Lubricating Bearings

US $ 0.99 / Piece FOB
10,000,000 Pieces (MOQ)
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Zhuji Bosswinn Springs Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2021
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Earthmoving Machinery Mining Crawler Bulldozer Construction Equipment Perfect Condition Second Hand Bulldozer SD/16/SD17/SD22/SD32 Shantui Bulldozer

Earthmoving Machinery Mining Crawler Bulldozer Construction Equipment Perfect Condition Second Hand Bulldozer SD/16/SD17/SD22/SD32 Shantui Bulldozer

US $ 34,000-38,000 / Piece FOB
1 Piece (MOQ)
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Liangshan Zhonglei Automobile Trading Co., Ltd.

Trading Company

Shandong, China Since 2024
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Customizable Electrical Prefabricated Compact Substation Switchgear

Customizable Electrical Prefabricated Compact Substation Switchgear

US $ 1,000 / Piece FOB
2 Pieces (MOQ)
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Taili Electric Co., Ltd.

Zhejiang, China Since 2019
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Plate Vulcanizing Machine, Plate Vulcanizing Press, Inner Tube Vulcanizer, Hand-Screw Vulcanizing Press.

Plate Vulcanizing Machine, Plate Vulcanizing Press, Inner Tube Vulcanizer, Hand-Screw Vulcanizing Press.

US $ 25,000 / pieces FOB
1 pieces (MOQ)
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Huzhou Momu Intelligent Technology Co., Ltd

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2024
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Industrial Safety Door Switch for Machinery Guard Interlock

Industrial Safety Door Switch for Machinery Guard Interlock

US $ 60-150 / Piece FOB
5 Pieces (MOQ)
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Shandong Shansen Cnc Technology Co., Ltd

Manufacturer/Factory & Trading Company

Shandong, China Since 2024
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HOWO 5-Ton/10-Ton/20-Ton Tank Trucks, Fuel Trucks, Diesel and Gasoline Transport Vehicles

HOWO 5-Ton/10-Ton/20-Ton Tank Trucks, Fuel Trucks, Diesel and Gasoline Transport Vehicles

US $ 35,000-36,000 / Piece FOB
1 Piece (MOQ)
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Hubei Yisheng Automobile Co., Ltd.

Hubei, China Since 2025
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Road Construction Rear Dump Trailer 2 3 4 Axles 32 42 Cbm Capacity Rear Tipper Semi Trailer Fuwa BPW Hydraulic System for Asphalt Gravel Transport

Road Construction Rear Dump Trailer 2 3 4 Axles 32 42 Cbm Capacity Rear Tipper Semi Trailer Fuwa BPW Hydraulic System for Asphalt Gravel Transport

US $ 10,000-15,000 / Piece FOB
1 Piece (MOQ)
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Shandong Liangyu Special Vehicles Co., Ltd.

Shandong, China Since 2025
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Showconn Underground Mining Scooptram 7 Ton Payload Diesel Loader LHD with Volvo Engine

Showconn Underground Mining Scooptram 7 Ton Payload Diesel Loader LHD with Volvo Engine

US $ 200,000-220,000 / Piece FOB
1 Piece (MOQ)
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Qingdao Showconn Machinery and Equipment Co., Ltd.

Trading Company

Shandong, China Since 2026
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HOWO 380HP Carrier Refrigerator Refrigerated Cargo Transport Delivery Meat Van Truck

HOWO 380HP Carrier Refrigerator Refrigerated Cargo Transport Delivery Meat Van Truck

US $ 30,000-55,000 / Piece FOB
1 Piece (MOQ)
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Hubei Sunny Special Automobile Co., Ltd

Hubei, China Since 2023
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