Heavy-Duty High Grade Steel Wire Extension Spring Tension Spring for Garage Doors

1.Sophisticated equipment.
2.Technology is very advanced.
3.Excellent technical team.
4.High quality products but competitive price.
5.Free samples, low MOQ, factory direct sale.
6.Prompt reply. In time delivery.
7.Can be customed.

Product Details
Our company strictly selects the world's top material manufacturers, eliminates brand premiums and intermediate links to provide consumers with reactive power compensation device, Prefabricated substation, electrical switchboard that truly integrate function, appearance and price. In line with the principle of common development with users, our company deeply studies and improves the service and we constantly improve the customer satisfaction with practical actions. There is no end point for success and no limit for surpass. Our company has become a global manufacturing company while founded in China, facing the world. With the business philosophy of 'professionalism, rigor, innovation and excellence', as well as the excellent management team, we continue to maintain a stable and rapid growth momentum and become the new leading brand in the industry. They're about to make their finest effort to meet buyers need.

Product introduction:

Tension spring is a kind of spiral spring which is usually made of the circular cross-section to withstand axial tension.  It is tight between the circle and circle of the spring with no clearance when it’s under no load. A number of different terminal devices or "hook" are used to ensure tension of extension springs.

Product design:

The design of tension spring depends on spring material, material diameter, outside diameter, length, number of turns, the location and shape of earring, load and the corresponding value.

Product specfications:

Spring wire diameter range from 0.1 to 8.0 mm.

Product classification:

Stainless steel extension spring; Precision extension spring; Galvanized extension spring; Double-hook extension spring; Movable hook extension spring; Large diameter extension spring; High quality extension spring; Nickel plated extension spring; Fitness extension spring; Metal extension spring; Carbon steel tensile spring; Heavy duty extension springs; Garage door extension springs; Expansion spring; High elastic tension spring; Big tension spring; Small tension spring; Custom tension spring; and so on.

Product process:

Product Process

Product inspection:

Inspection Equipment

Application:

They can be used in many occasions, such as production assembly, experiment, research, maintenance and so on. Tension spring occupies an important position in the global market, widely used in national defense, Marine, computer, electronic, automotive, mold, medical, biological, chemical, aerospace, railway, nuclear power, wind power, thermal power, engineering machinery, mining machinery, construction machinery, elevator, etc.


XD HI-TECH, established in 2007 is one of the excellent manufacturers in China. Come and find china designed stainless steel heavy duty garage door extension spring manufacturer from our factory. With high precision, and good performance, our custom products have a wide application field. Welcome to wholesale our quality products and the PDF display is also offered.

We are committed to providing users with high-quality products and the best solutions, determined to be your best partner, and hope to make positive contributions to the development of the Heavy-Duty High Grade Steel Wire Extension Spring Tension Spring for Garage Doors industry. We have a vigorous sales and comprehensive technical team. Layer by layer, we strive to give our best products and services to customers, welcome the majority of businesses to call and inquire.
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