Changzhou Chengpeng Hardware CO.,Ltd is located often rather the highway becomes a chapter of road junctionto the southern Jiangsu Changzhou west gate, nearby level of roads 239provincial roads, the transportation is convenient, the specializedproduction each kind of high quality hardware high strength fillingpiece, the product widely uses in the railroad, the bridge, in thesteel structure facility, the product sells in distant markets Europe,US, Southeast Asia, the main product has metric system GB/T-1230-91,Australia makes AS-1252, US standard STM-F436-1985, SAF.USS, germanstandard DIN125A, DIN436 and so on, and continues each kind of non-standard high strength gasket the production.