Recoil Spring: One of our lead products, have high reputation in this field, exported to all over the world. For Cat, Komatsu, Hitachi, Kobelco, Dawcoo, Hyundai, Samsung, Dull Dozer, etc. Want to know more, please contact us. 

For exampke:

PC40-10, PW60-5, PC60-5(1), PC60-5(2), PC60-6(Z=76), PC60-6(Z=80), PC60-7(Z=76), PC60-7(Z=80), PC90-6, PC100-5, PC120-5, PC120-6(4D95), PC120-6(4D102), PC130-7, PC150-7, PC20HT, PC200-1, PC200-2, PC200-3, PC200-5, PC200-6