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Tianjin Grand Construction Machinery Technology
No.1 Yanmen Road, Hebei Distreet
Tianjin 300000
China
We are offering precision manufacturing, international trade and drilling tools solution service, while now is growing up as a leader of global rock breaking tool industry. We provide high quality and best performance-cost drilling tools to drilling companies to make their production more safe and efficient. By 2035, it will be the biggest scale supplier of drilling tools and most professional solution supplier of oil well surface test field in the world.