Tianjin huachang xingye technology co .,ltd drilling branch
Add:NO.214 majiadian industry park baodi district tianjin china Tel:86-22-58656460 86-22-58656461 Fax:86-22-58654961 Cell:008615222875497(for call) Cell:008618902059907(whatsapp) email:info@tjdrilling.com Web:www.tjdrilling.com
