Nanjing Guolong Biotechnology Co., Ltd.Jiangsu Sheng, China
Guizhou Zhengye Engineering Technology Investment Co Ltd.
Pingliang Hengda Machinery Manufacture Co. Ltd.
Bei Jing Wen Hai Yang Gong Mao You Xian Ze Ren Gong SiBeijing Shi, China
Mizutani Kensetsu Kogyo KKJapan
Qingdao Tianheng Machinery Co. Ltd.
Seoul Techno Holdings, Inc.South Korea
Tohoku Inoac Co. Ltd.
Foshan (South China) New Materials Research Institute
Shenzhen Qili Electron Co. Ltd.Guangdong Sheng, China
Linhai Wansheng Lighting Co., Ltd.
Asw Ltd.