Expansion Springs Extension Springs Heavy Duty Extension Springs Pull Helical Extension Spring Suppiers Metric Extension Springs with Hook Ends

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 withdrawable switchgear, LV switch board, MNS switchgear are all over the country in many big cities, after continuous market tempering, some products have entered the international market. Through a scientific and new management model, we have created a stable and experienced technical team. Customer satisfaction is our eternal goal. Facing the modernization and international, we take the brand as the core competitiveness and constantly meet the customer's updated and higher requirements. At the same time, we hope to discuss the new development of product technology with colleagues in the industry, and look forward to providing customers with information consultation and technical support. We aim to build a competitive company and carry out in-depth technical exchanges and strategic cooperation with various enterprises.

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.

Sticking to the principle of 'Super Quality, Satisfactory service', We are striving to be a good business partner of you for Expansion Springs Extension Springs Heavy Duty Extension Springs Pull Helical Extension Spring Suppiers Metric Extension Springs with Hook Ends. Our intention is '100% shopper pleasure by our merchandise quality, price tag & our staff service' and take pleasure in a very good standing amongst purchasers. With plentiful full power, comprehensive support facilities and standardized production and management, we enjoy a high reputation in the industry.
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