Qingzhou Yongsheng Dredging Machinery Co., Ltd. was established in 1990. Our company is the first professional manufacturer which develops and produces sand-digging machinery, sand making machinery.
Telephone:86-132-10122351
Address:No.4399 , Baxi East Road , Qingzhou City, Shangdong Province , China
Qingzhou Haiyang Ore Machinery Manufacturing Co., Ltd. was established in 1992. Over years of development, the company has been largest production center cutter suction dredgers, sand mining machinery and gold dredging all over count ...
Telephone:86-0536-3832-577
Address:Masong Village, Huanglou Town, Qingzhou City , Weifang, Shandong, China (Mainland)
Qingdao Bortome Import & Export Co., Ltd., located in China, is the wholly-owned subsidiary of Tongyu Heavy Industry Ltd (Stock Code: 300185) .Relying on powerful enterprise strength parent company, integrating resources each Group，and taking full advantage its location and ...
Telephone:86-532-55579721
Address:Haier road