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