A:Like most other basic mechanisms, metal springs have been around for a long time in the Bronze Age. Even with metal, wood is used as a structural component of flexible bows and military catapults. In
Tianjin Wang xia Spring Co., Ltd. was founded in 2005 and located in Jinghai County, Tianjin , China . It is very convenient for transportation east of Tianjin port.
Our company is the professional manufacturers which combine a set of spring manufacturing, R & D with surface