Product Description Long extension springs is characterized by its long length and unlimited length. It is produced according to customer requirements and is mainly used for curtains, all kinds of transportation, metal and plastic products. It can be molded in one time by CNC computer......Send Inquiry
Long extension springs is characterized by its long length and unlimited length. It is produced according to customer requirements and is mainly used for curtains, all kinds of transportation, metal and plastic products. It can be molded in one time by CNC computer machine.The material of the long tension spring can be selected from high-strength domestic spring steel, and the surface is oxidized black or galvanized to provide samples. Our company has passed the quality management system ISO9001:2017, environmental management system ISO14001:2015 and occupational health and safety management system certification OHSAS18001:2007.
Long extension springs
stainless steel(SUS 302, SUS 304,SUS316);high carbon spring steel; copper wire
Zinc plating, nickel plating, copper plating
Rust prevention, corrosion resistance, high hardness, good elasticity
Curtains, all kinds of transportation, metal and plastic products
1. Quality material production
No rust in humid environment, strong anti-oxidation ability, wear-resistant and anti-corrosion;
2. Smooth and complete appearance
Smooth surface, strong tensile strength, no deformation, safety;
3. Quality assurance
Manufacturer's professional production, quality assurance.
1. Long service:It is not easy to oxidize and rust in humid environment;
2. Corrosion resistant:Containing nickel and chromium elements, acid - resistant, alkali - resistant, corrosion - resistant;
3. Environmental protection:Do not release toxic substances, environmental protection is non-toxic;
4. Can be customized:Can be customized according to customer requirements;
5. Affordable:Remove the middle price difference link, factory price sales;
6. Large inventory:Manufacturer direct selling, complete specifications, spot wholesale.
1. About the specification
All products sold in our factory are standard parts of national standards. If you need other specifications, you can call or contact online customer service directly.
The following details are needed for a quotation
2. About color
The company product pictures are real scene shooting, due to factors such as light and personal computer monitors, subtle color difference is inevitable, but we try to control the color difference in a reasonable scope, also believe that the products are of good quality than subtle color difference problem. Say yes to everything you've used!