Daqing Oil Field Changyuan Pipes Industry Co., Ltd.
[ Manufacturer ]Main business are Steel frame plastic multiunit tube parts.
Harbin Dongli Tramcar Factory
[ Manufacturer Trader ]Main business are Tramcar fittings
Daqing Honggangqu Changtong Pipe Valve Fittings Factory
[ Manufacturer ]Main business are Elbow, Transition pipe, Pipe valve fittings
Daqing Huilong Machine Manufactory
[ Manufacturer ]Main business are Machine fittings
Daqing Xinghuo Metal Tools Factory
[ Manufacturer ]Main business are Metal tools