Harbin Dongguang Machinery Co., Ltd.
[ Manufacturer ]Main business are PVC/PE plastics pipe
Heilongjiang Yuyuan Commodity Concrete Co., Ltd.
[ Manufacturer ]Main business are Commodity concrete prefabricate
Harbin Tianyuan Cement Product Factory
[ Manufacturer ]Main business are Concrete, Prefab.
Harbin Dongguang Thermal Insulation Pipe Factory
[ Manufacturer Trader ]Main business are Pipe fittings, Compensator
Harbin Guantong Heat-preserving Tubing Manufacturing Co., Ltd.
[ Manufacturer ]Main business are Thermal insulation material, Refractory material.
Heilongjiang Longdian Electric Power Equipment Co., Ltd.
[ Manufacturer ]Main business are Electric power equipment