Our enterprise since its inception, often regards solution excellent as enterprise life, continually strengthen output technology, enhance product high quality and continually strengthen organization total high-quality administration, in strict accordance using the national standard ISO 9001:2000 for
Roll Up Door Slide Latch,
Garage Door 1.75" Nylon 11 Ball Roller 4" Stem,
Low Headroom Garage Door Torsion Spring, As a leading manufacture and exporter, we appreciate a great status inside the international markets, especially in America and Europe, because of our top high-quality and sensible charges.
Manufacturer for Single Garage Door With Windows - Heavy Duty Garage Door Springs – Bestar Detail:
We offer Heavy Duty Garage Door Springs in 1.75” and 2” diameters in multiple wire sizes ranging from 0.192, 0.207, 0.218, 0.225, 0.234, 0.243, 0.250, 0.262 to 0.272.
All our Heavy Duty Garage Door Springs are black coated, corrosion resistant and oil tempered. They can endure approximately 10,000-15,000 open and close cycles, depending on the springs and usage.

How To Measure Garage Door Springs?
To measure the torsion springs, follow the following four steps carefully.
(1) Measure Torsion Spring Inside Diameter (1 3/4” or 2”)
(2) Measure Torsion Spring Wire Size
(3) Measure Torsion Spring Length
(4) Determine Torsion Spring Wind (Left Wound or Right Wound)
