BEIJING TUFF EQUIPMENT AND TECHNOLOGY CO., LTD. is a modern science and technology enterprises that collections of rotary drilling rig tools and accessories research and development, production and trade.Beijing Tuff Equipment and Technology Reasearch Institute of Construction Method was eatablished in 2010. With the continuous research of engineers, the research ability of kelly bar and drilling tools had been promoted. Now the reasearch institute has about 20 engineers. It has surpassed competitors in the aspects of personel, research ability and creativity. Our target is to become first class in th world.The company has a modern processing plant that has completed several large-scale construction projects ,such as the beijing-shanghai, wuhan-guangzhou ,shanghai-kunming high-speed railway, , hong kong-zhuhai-macao bridge, xiamen subway etc.And we won the good reputation with the excellent products and good service in the clients.At the same time, the company pays attention to the technology exchanges and cooperation with the same line in China and overseas, our products have been exported to Singapore, Malaysia, Russia, the Middle East, South America and other countries and regions.