Established in 2011,QingDaoKunliTongzeCo,Ltd is one of the largest spring manufacturers in North China.It is specialized in all kinds of springs,such as :compression springs ,extension springs ,heavy duty extension springsprecise extension springs,power springs,heavy duty torsion springs,stamping parts, wire forming, metal stamping products,screws, machining parts, and so on.

With more than 20years manufacturing and testing experience our strong team is always developing the best springs to meet all customers needs

Our products are widely recognized and trusted by users and can meet continuously developing economic and social needs.

We welcome new and old customers from all walks of life to contact us for future business relationships and achieving mutual success!