... Disc Spring,Dish Spring,Coil Spring We produce all kinds of springs,including plane worm spring,abnomity sping pressure spring,plane worm spring,etc. ... holders,we have naby kinds of springs. The disc spring is high elasticity springs.And have good hardness and ... welcome to contact with us. JulenHaimen Zhengda Carbon Products CO.,LTD.Reifeng Industry Zone,Zhengyu Village,Haimen City,Nantong,Jiangsu, ...