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