الوصف

China large diameter compression spring manufacturer and supplier for office chair
Our springs meet the demands of EU ROHS, it's easy to assemble and rust proof. What's more, it has been proved by experiments that it can stand more than **0,**0 times of fatigue testing. At aofeng Spring, we not only design, manufacture, and test these springs, we are customer focused to ensure clients are matched with the proper device to suit their needs. We manufacture according to your requirements and specifications