Henan Changhong Mechanical & Electrical Equipment Co., Ltd.
Zhuji Fengfan Piping Co., Ltd.
Zhuji Fengfan Piping Co., Ltd.
Ningbo Yowin Pipe Co., Ltd.
Tangshan Mingwan International Trade Co., Ltd.
Hebei Hongjiang Rubber&plastic Technology Co., Ltd.
Zhejiang Yanjie Sanitary Ware Co., Ltd.
