Custom Heavy Duty Adjustable Extension Spring Manufacturer with Long Hook

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
The complete variety, novel design, and excellent quality of our power factor correction equipment, transfer switch, compact transformer substation have impressed our customers both at home and abroad. In today's fierce market competition, the company always believes that the public demand, product quality and fast service are the basic conditions for the survival of enterprises, and the humanized products and services have always made us in the forefront of the industry. We're self-assured to create wonderful achievements while in the potential. We are sure that we will have good cooperative relationships and make a brilliant future for both parties. We constantly practice the business philosophy of 'Thanksgiving, Responsibility, Progress, and Win-win'.

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.

With advanced consciousness, brand-new concepts and innovative spirits, we integrate advanced technologies at home and abroad to continuously research and develop new Custom Heavy Duty Adjustable Extension Spring Manufacturer with Long Hook for the industry. When you are keen on any of our items following you view our product list, please feel free to make contact with us for inquiries. With our rules of ' business reputation, partner trust and mutual benefit', welcome all of you to work together, grow together.
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