Helical Coil Spring Heavy Duty Helical Spring Force 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
Looking forward to the future, we have a long way to go. We insist on upgrading and perfecting the corporate value chain, and constantly increase the quality of spring wire, electrical switchgear, reactive power compensation device. Winning every customer in long-term common development is our unremitting pursuit. We always take innovation and technology as the development direction, repay the new and old customers with the highest quality and most efficient products, so as to maximize the interests of customers. We have rich manufacturing experience.

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.

Strong technical strength, the use of scientific production management methods, and the selection of high-quality materials are the guarantee of our high-quality Helical Coil Spring Heavy Duty Helical Spring Force Extension Spring. We're searching forward for your inquiries. We, with open arms, invite all interested potential buyers to visit our web-site or get in touch with us immediately for further information and facts.
Hot Tags: stainless steel heavy duty garage door extension spring China, manufacturers, suppliers, factory, wholesale, design, custom, application, PDF, reactive power compensation device, power cabinet, AC switchboard, main distribution panel, power switchboard, electrical switchboard
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