XIN JIE Beijing Beijing ***, XIN JIE

Hangzhou Spring Washer Co., Ltd. is recognized as one of the longest history and the largest manufacturers of spring washers in China, and in the world as well. The company was founded in 1972,which h...

Room.1004 West Beijing Road.

We are ISO9001 and ISO14001 factory, with over 10 years in designing and producing threaded rod. The standard and non-standardthreaded rod are in our line. Our advantage is guaranteed quality and fas...