สถานที่กำเนิด
Tianjin, China
หมายเลขรุ่น
LANTOO-GDTS-195
Product name
Brightly powder coated torsion springs for garage doors
Material
Stainless steel, spring steel, music wire, 82B
Surface treatment
Zinc Plating, Powder spraying, Chemical oxidation, Electrophoresis
Packing
Moisture proof plastic film+wooden case
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