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Inside Diameter 44mm 50mm 67mm 95mm 132mm 152mm Galvanized / Oil Tempered Torsion Spring for Garage Door

Inside Diameter 44mm 50mm 67mm 95mm 132mm 152mm Galvanized / Oil Tempered Torsion Spring for Garage Door

US $ 1 / Piece FOB
1 Piece (MOQ)
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Prostar Wuxi International Trade Co., Ltd.

Jiangsu, China Since 2014
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150mm Security Spring for Aluminum Alloy Roller Shutter

150mm Security Spring for Aluminum Alloy Roller Shutter

US $ 1-5 / Piece FOB
1,000 Pieces (MOQ)
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NANJING JT ENERGY SAVING TECH CO., LTD.

Jiangsu, China Since 2021
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Double Spring Greenhouse Window Opener for Efficient Airflow

Double Spring Greenhouse Window Opener for Efficient Airflow

US $ 12.5-15.9 / Piece FOB
49 Pieces (MOQ)
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Foshan City Nanhai District Yue Xiang Jia Hardware and Building Materials Trading Firm

Trading Company

Guangdong, China Since 2025
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Soft Close Hydraulic Strut for Window

Soft Close Hydraulic Strut for Window

US $ 0.87-1.73 / Piece FOB
50 Pieces (MOQ)
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Maanshan Vantrans Machery Co., Ltd.

Trading Company

Anhui, China Since 2019
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Doors, Windows Use Air Leakage Failure Protection Type safety Gas Spring Struts

Doors, Windows Use Air Leakage Failure Protection Type safety Gas Spring Struts

US $ 1-10 / Piece FOB
10 Pieces (MOQ)
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Ningbo Winson Machinery Products Co., Ltd

Zhejiang, China Since 2022
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Tanja Hydraulic Light Duty Machine 90 Degree Hold Open Floor Spring

Tanja Hydraulic Light Duty Machine 90 Degree Hold Open Floor Spring

US $ 4-4.2 / Piece FOB
1 Piece (MOQ)
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Tanja Industrial(Shandong)Co., Ltd

Manufacturer/Factory & Trading Company

Shandong, China Since 2022
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Gas Spring with Plastic Dirt-Proof Cover Gas Filled Struts Spare Parts for Car

Gas Spring with Plastic Dirt-Proof Cover Gas Filled Struts Spare Parts for Car

US $ 1.7-2.3 / Piece FOB
1 Piece (MOQ)
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Foshan Owenlan Precision Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2019
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Glass Door Hardware Hydraulic Floor Spring B-868

Glass Door Hardware Hydraulic Floor Spring B-868

US $ 41.07-44.29 / Piece FOB
20 Pieces (MOQ)
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3H INC.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2007
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Wholesale Manganese Steel Industrial Spiral Double Automatic Torsion Garage Door Spring

Wholesale Manganese Steel Industrial Spiral Double Automatic Torsion Garage Door Spring

US $ 2-10 / Pair FOB
50 Pairs (MOQ)
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Ganzhou Your Tool Metal products Co., Ltd

Jiangxi, China Since 2025
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Customized Factory Price Custom Doors Windows Rivet Eccentric Flat Head Shoulder Rivet Eccentric Solid Rivet Stainless Steel Rivet

Customized Factory Price Custom Doors Windows Rivet Eccentric Flat Head Shoulder Rivet Eccentric Solid Rivet Stainless Steel Rivet

US $ 0.03-0.12 / Piece FOB
1,000 Pieces (MOQ)
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Hengling Metal Products (Huzhou) Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2024
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Lockable Gas Support Spring for Adjust Air Chair, Medical Bed

Lockable Gas Support Spring for Adjust Air Chair, Medical Bed

US $ 8.5-10 / Piece FOB
100 Pieces (MOQ)
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Changzhou Longxiang Gas Spring Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2010
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Soft-Close Hydraulic Strut for Window Kitchen Cabinet Pneumatic Hydraulic Strut for Door

Soft-Close Hydraulic Strut for Window Kitchen Cabinet Pneumatic Hydraulic Strut for Door

US $ 0.79-2.98 / Piece FOB
50 Pieces (MOQ)
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Maanshan Vantrans Machery Co., Ltd.

Trading Company

Anhui, China Since 2019
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Garage Door Springs Torsion Accessories Lowes Counterbalance and Springs Overhead Garage Door Spring Box for Roll up Door

Garage Door Springs Torsion Accessories Lowes Counterbalance and Springs Overhead Garage Door Spring Box for Roll up Door

US $ 2-10 / Pair FOB
50 Pairs (MOQ)
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Ganzhou Your Tool Metal products Co., Ltd

Jiangxi, China Since 2025
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24-35db Cecc Approved Solar Air Conditioning Wholesale Portable Window 1.5 Ton Air Conditioner with Factory Price

24-35db Cecc Approved Solar Air Conditioning Wholesale Portable Window 1.5 Ton Air Conditioner with Factory Price

US $ 150-185 / Piece FOB
10 Pieces (MOQ)
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Qinhuangdao Yangguang Electric Co., Ltd

Hebei, China Since 2024
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170 Security Spring for Roller Shutter

170 Security Spring for Roller Shutter

US $ 1-5 / Piece FOB
1,000 Pieces (MOQ)
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NANJING JT ENERGY SAVING TECH CO., LTD.

Jiangsu, China Since 2021
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Factory Supply High Quality Air Spring 41028764 for Iveco

Factory Supply High Quality Air Spring 41028764 for Iveco

US $ 10-16.99 / Piece FOB
30 Pieces (MOQ)
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Chengdu Better Science and Technology Co., Ltd.

Trading Company

Sichuan, China Since 2024
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Durable Pneumatic Gas Spring for Agricultural Machinery Use

Durable Pneumatic Gas Spring for Agricultural Machinery Use

US $ 49-79 / Piece FOB
500 Pieces (MOQ)
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Jiangyin Zhongyou Gas Spring Co., Ltd

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2024
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Custom Hammock Chair Spring Extension Spring with End Ground and Flat

Custom Hammock Chair Spring Extension Spring with End Ground and Flat

US $ 0.01-0.05 / Piece FOB
1 Piece (MOQ)
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Foshan Zihuoli Spring Co.,Ltd.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2022
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Aluminum / Aluminium 1-3/4" 2" 2-5/8" 3-3/4" 5-1/4" 6" High / Vertical Lift Door Torsion Spring Cones / Spring Fittings for 25.4mm / 1" Tube

Aluminum / Aluminium 1-3/4" 2" 2-5/8" 3-3/4" 5-1/4" 6" High / Vertical Lift Door Torsion Spring Cones / Spring Fittings for 25.4mm / 1" Tube

1 Set (MOQ)
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Prostar Wuxi International Trade Co., Ltd.

Jiangsu, China Since 2014
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Garage Door Torsion Spring Center Plastic Bushing

Garage Door Torsion Spring Center Plastic Bushing

US $ 0.1-6.4 / Pair FOB
100 Pairs (MOQ)
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Ganzhou Your Tool Metal products Co., Ltd

Jiangxi, China Since 2025
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China Factory Supply Anti-Smog Pm2.5 Nano-Level Pollution-Proof Window Screen Net

China Factory Supply Anti-Smog Pm2.5 Nano-Level Pollution-Proof Window Screen Net

US $ 4-6 / Meter FOB
30 Meters (MOQ)
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Shanghai Spring Industrial Corporation

Shanghai, China Since 2023
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Auto Part Gas Spring for Toyota Corolla Liftback 68960-02010 Car Gas Struts

Auto Part Gas Spring for Toyota Corolla Liftback 68960-02010 Car Gas Struts

US $ 1.98-2.39 / Piece FOB
50 Pieces (MOQ)
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Guangzhou Tomaster Auto Parts Co., Ltd.

Guangdong, China
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3h. Inc Manufactory Heavy Duty Glass Door Accessories 200kg Floor Spring B-840

3h. Inc Manufactory Heavy Duty Glass Door Accessories 200kg Floor Spring B-840

US $ 31-34 / Piece FOB
20 Pieces (MOQ)
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Audited Supplier
3H INC.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2007
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About Window Spring Factory FAQ

  • QHow to choose a trustworthy Automatic Door supplier in China?

    The Window Spring Factory is a premium choice in the Automatic Door category.When selecting a supplier in China, thoroughly research online supplier directories, read customer reviews, and verify track records. Don't hesiate to ask questions regarding production processes, certifications, and after-sales service.

  • QWhat advantages do wholesale purchases of Automatic Doors offer?

    Enhance your Automatic Door setup with our premium Window Spring Factory.Wholesale purchases provide cost savings, volume discounts, and customized solutions that cater to your specific project requirements. By choosing to buy automatic doors in bulk, you can ensure swift project completion that falls in line with your budget.

  • QWhat are the common types of Automatic Doors available from suppliers?

    The Window Spring Factory is classified under our comprehensive Automatic Door range.Automatic doors come in various types including sliding, swing, revolving, and folding designs. Each type has its own advantages based on the space requirements, safety features, and design preferences. Consult with a industry-professional to select the best fit.

Pneumatic Gas Lift Support Spring for Wall Bed with 1200n

Pneumatic Gas Lift Support Spring for Wall Bed with 1200n

US $ 1.7-2.3 / Piece FOB
1 Piece (MOQ)
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Foshan Owenlan Precision Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2019
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Gas Spring for Boot Bonnet Car Caravans Doors Windows Hatches Boat Bus

Gas Spring for Boot Bonnet Car Caravans Doors Windows Hatches Boat Bus

US $ 1.4-4.5 / Piece FOB
500 Pieces (MOQ)
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WUXI JINRONG MACHINERY CO., LTD.

Jiangsu, China
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Oil Tempered Zinc Galvanized Torsion Spring for Garage Doors

Oil Tempered Zinc Galvanized Torsion Spring for Garage Doors

US $ 0.9-1.5 / kg FOB
500 kg (MOQ)
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Hefei Wang Qin Spring Co., Ltd.

Anhui, China Since 2020
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Automatic Ventilation Gas Spring of Greenhouse 02

Automatic Ventilation Gas Spring of Greenhouse 02

US $ 9-11 / Piece FOB
100 Pieces (MOQ)
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Audited Supplier
Changzhou Longxiang Gas Spring Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2010
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International Overhead Concealed Door Closer for Wooden Door

International Overhead Concealed Door Closer for Wooden Door

US $ 20.6 / Piece FOB
500 Pieces (MOQ)
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Audited Supplier
Zhaoqing Gaoyao Jinhuida Hardware Products Co., Ltd.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2018
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Roller Shutter Accessory Durable 150mm Security Spring

Roller Shutter Accessory Durable 150mm Security Spring

US $ 1-5 / Piece FOB
1,000 Pieces (MOQ)
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Audited Supplier
NANJING JT ENERGY SAVING TECH CO., LTD.

Jiangsu, China Since 2021
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Gas Spring for Advertising Window/Helpful and Fashionable Gas Strut Bed Gas Spring

Gas Spring for Advertising Window/Helpful and Fashionable Gas Strut Bed Gas Spring

US $ 0.8-1.35 / Piece FOB
500 Pieces (MOQ)
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Foshan Meixin Supply Chain Management Co., Ltd.

Guangdong, China
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5000 12000 Lbs Standard Parallel Puller Jaw Wire Grip W/Fine Teeth Spring Loaded

5000 12000 Lbs Standard Parallel Puller Jaw Wire Grip W/Fine Teeth Spring Loaded

US $ 0.5-21.8 / Piece FOB
100 Pieces (MOQ)
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Qingdao Hulk Metal Technology Co., Ltd.

Shandong, China Since 2012
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Hydraulic Supporting Gas Strut for Daylighting Window Upturning Door and Sunroof Window

Hydraulic Supporting Gas Strut for Daylighting Window Upturning Door and Sunroof Window

US $ 0.79-2.98 / Piece FOB
50 Pieces (MOQ)
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Audited Supplier
Maanshan Vantrans Machery Co., Ltd.

Trading Company

Anhui, China Since 2019
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Wholesale Hardware Fasteners Spring Loaded Without Rest Position Indexing Plunger

Wholesale Hardware Fasteners Spring Loaded Without Rest Position Indexing Plunger

US $ 7.78-17.98 / Piece FOB
50 Pieces (MOQ)
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Wuxi Ingks Metal Parts Co., Ltd.

Jiangsu, China Since 2022
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Rolling Shutter Accessories, Shutter Door Spring Box, Spring for Rolling Shutter

Rolling Shutter Accessories, Shutter Door Spring Box, Spring for Rolling Shutter

US $ 39-130 / Square Meter FOB
9 Square Meters (MOQ)
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Changsha Alutter Building Materials Co., Ltd.

Hunan, China Since 2023
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Locking Gas Spring for Recliner Chair

Locking Gas Spring for Recliner Chair

US $ 1.99-9.9 / Piece FOB
500 Pieces (MOQ)
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Audited Supplier
Jiangyin Zhongyou Gas Spring Co., Ltd

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2024
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Black Oil Tempered / Galvanized Overhead Garage Door Torsion Spring / Torque Spring / Extension Spring / Tension Spring

Black Oil Tempered / Galvanized Overhead Garage Door Torsion Spring / Torque Spring / Extension Spring / Tension Spring

1 Set (MOQ)
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Audited Supplier
Prostar Wuxi International Trade Co., Ltd.

Jiangsu, China Since 2014
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