Jiangsu Zhanwang Pipe Co., Ltd., located in No.111 Basi Avenue, Jinhu Economic Development Zone, ... Province, is a sino-for welcome OEM.Jiangsu Zhanwang Pipe Co., Ltd., located in No.111 Basi Avenue, Jinhu Economic Development Zone ... -foreign joint venture invested by Zhejiang Qiangsheng Machinery Group and Hong Kong Qingzhan International Trading co., Ltd., with an area of 173mu and registration ...