... manufacturer specialized in producing all classes of springs for Industrial machine,(ie.air hose reels, car's safety belts, balancer, ... in producing all kinds of springs for spare parts for Agriculture machine,(ie.Gasoline,Diesel Engine,Hedge Trimmer,Lawn Mower,Gasoline ... Water Bottle Starter, Electric iron,Meat grinder,Timer of washing machine and Fan, Oven, etc...).Constant force spring for door ...