Description:
1.Galvanized torsion spring & Non-galvanized torsion spring2.Length of spring: 500mm-3500mm
3.Internal diameter of spring"50.
Description:
1)Galvanized extension spring &Non-galvanized torsion spring
2)Length of spring: 500mm-3500mm
3)Internal diameter of spring"50.8mm-152mm
4)Diameter of wire:7.5mm-11.5mm
Our manufactured productsinclude: track (rail), garagedoor opener (garage door motor), stainless steel garage door parts,industrial door motor, hinge (hinge), the wheel, L angle iron (Langle yards), sword angle Iron (flag-shaped angle iron or angleiron rail connection), the horizontal angle iron rail connections,handle (handle, handle), bottom round frame, anti-fall at the endof round frame, round top shelf, top of the axle seat, rope, pulley( reels, aluminum pulley, wire wheel), bearing bracket (day barbracket or pipe mounting bracket), torsion (spring), extensionspring, torsion spring joints, seals (side seal, bottom seal),industrial door locks, emergency lock garage doors, etc. Materialsinclude galvanized, aluminum, stainless steel and so on. Surfacespray, electroplating, etc.


