(Zugfeder) Garagentorfeder

garage door spring( tension spring ),garage door spring ,industrial spring , roller up door spring,and extension spring , garage door spring: 1)the raw material 72B.65 Mni,82B 2)galvanized torsion spring 3)standard packing or packed as your resquest We can provide many kinds of tosion spring and extension spring We are specialized manufactory in doors hardware and one of the largest enterprise of design,develop,sales of garage door part! We have high quality and the best price! Sincerely welcome all frinnds call letters,we are ready for your needs!