Heavy Duty Torsion Springhard Rapid Door Extension Spring

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
We are willing to cooperate with colleagues at home and abroad to make contributions to the development of power distribution cabinet, packaged substation, spring steel for the industry. The company has reached the standard of fast delivery and high quality with many years of production experience, and can provide customers with professional services, fully understand and implement customers' quality requirements, also responsible for product quality. We hope that we can reach a consensus and cooperate in the future. We will improve ourselves and strive to provide you with more perfect and reliable products as soon as possible.

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 have cultivated a professional technical team and established a high-quality and highly dedicated sales team to make sure that our Heavy Duty Torsion Springhard Rapid Door Extension Spring enjoys the popularity on the market for its performance. We hope to enhance the value of products and services with excellent quality and efficient speed, so as to achieve employee value, corporate value, and social value. The company is committed to building an sales ecological chain service industry cluster for global consumer groups.
Hot Tags: stainless steel heavy duty garage door extension spring China, manufacturers, suppliers, factory, wholesale, design, custom, application, PDF, cone shaped spring, intelligent switchgear, packaged substation, power switch board, power factor correction equipment, expansion spring
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