Weihai Ruihe Railway Sleeper Co., Ltd.
STI - Gustav Stabernack GmbHDenmark
Tianjin Hengzhi Intellectual Property Co., Ltd.Tianjin Shi, China
Hebei Dailuo New Material Technology Co., Ltd.Hebei Sheng, China
Gaoding Precision Materials Co., Ltd
Anhui Meilin Electronics Co., Ltd.Anhui Sheng, China
Novactyl, Inc.
Shinfuji Kaseiyaku Co., Ltd.
Snitz Industrial (Guangzhou) Co., Ltd.
Magna Corp.Ohio, United States
Nantong Lianyang Yarn Yarn Co., Ltd.
Quzhou Academy of Agricultural and Forestry Sciences