Zhengyang Hardware Co., LTD. located in Zhouwangmiao Town , which is the base of hardware industry in Haining city. The whole set of andanced machines of springs place in the standard workshop, and can produce all kinds of springs, such as Zig-Zag springs, compression springs, sofa springs etc. Sofa Springs is a important part of sofa. It can make a big effect on comfort of sofa. The comfort of sofa is decided by springs almostly. The high quality and the competative price is the key of our products. so it is selled well in market. Whatelse, we offen receive praise from our customers. if requested by clients, we can produce the special products accorde to clients requirements. if you want to get more infomation, you can contact me with email or phone.