Custom Heavy Duty Carbon Steel Extension Springs

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 adhere to the business philosophy of 'perfect products need the support of perfect service', and strive to realize our dream of becoming the world's leading supplier of v shaped spring, unitised substation, LV switch gear. Our products have become the industry recognized brand and industry benchmark. We are the customization of industry product standard and product price. With the aim of ' pursuing perfect quality and achieving first-class service', we pays close attention to the needs of users and constantly innovates products, aiming to provide superior products and services for customers. We are wanting ahead to hearing from you before long. In the years of development, our company has been in line with the customer service first, maintain the faith of quality first and has won the general customer's consistent high praise.

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 thinks what clients think, the urgency of urgency to act from the interests of a client position of theory, allowing for Custom Heavy Duty Carbon Steel Extension Springs. Our company has a strong technical innovation force, a high level of technology industry, and complete testing equipment. The company actively introduces advanced production equipment abroad, absorbs and improves advanced production technology.
Hot Tags: stainless steel heavy duty garage door extension spring China, manufacturers, suppliers, factory, wholesale, design, custom, application, PDF, cone shaped spring, automatic transfer switch, metal clad switchgear, Metal Enclosed switchgear, kiosk substation, double torsion spring
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