After-sale Service
Online technical support, Onsite Installation, Onsite Training, Onsite Inspection, Free spare parts, Return and Replacement
Place of Origin
Jiangsu, China
Brand Name
Master Well Enterprise
Product name
Garage Door Torsion Spring
Finish
Anti-rust oil,Electrophoresis coating,powder coating, dacromet.
Size
1 3/4'', 2'', 2 5/8'', 3 3/4''
Material
Carbon steel / Manganese steel
Thickness
207/218/225/234/243/250
Hardware System
USA / EU standard