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תמיכה טכנית באינטרנט
Product name
Residential Industrial best quality garage door torsion spring
Material
Stainless steel, spring steel, music wire
Surface treatment
Zinc Plating, Powder spraying, Chemical oxidation
Production time
10-12 days
Packing
Plastic Bag+Carton Box
Application
Industry,Residential garage door,commercial rolling shutter door
Size
1 3/4'', 2'',2 5/8'', 3 3/4'', 6''
Circles
More than 18000 times