High quality extension spring for medical equipment, car alternator, horticultural tools and other applications. Extension spring is designed to absorb and store energy as well as create a resistance to a pulling force. Our company provides extension spring with various size, design and color to suit the needs of different requirements.
Materials Stainless steel wire, steel wire, copper wire, nickel-plated wire
and oil-tempered wire.
Finish treatment :Zinc plating, nickel plating, chrome
plating, phosphate, Black dyeing, Baked Painting, electro-deposited coating and polishing,anti rust oil, anode, electrolysis,passivation,etc.
All products are customized and main designed and produced for precision electronic
components, switches on appliance, optic instruments, medical equipment, sewing
machine, car alternator, bicycles, refueling gun, horticultural tools, hand
tools, cosmetic equipment, hardware like locks, and all stationery & gift.