Dongying Harmony Rubber & Plastic Co., Ltd.
Tangshan Mingwan International Trade Co., Ltd.
Taizhou Yantchau Agricultural Machinery Co., Ltd.
Weifang Sanjiang Plastic And Rubber Products Co., Ltd.
Sailuoke Fluid Equipment Inc.
Dongying Wanhe Rubber & Plastic Co., Ltd.
Hangzhou Haikuo Rubber And Plastic Products Co., Ltd.
