联系人 Ms. sun
xuelian, Tianjin, Tianjin
N*0/P**0/J*5/K*5 for material API 5CT.We take Quality supreme, Technology leading-edge as our business philosophy, adhere to the enterprise core value of Comprehensive development, technology innovation, mutual benefit and strive for the first quality, credibility , service, devoting ourselves into clients-oriented services.
