On December 17, 2014, Atlas Copco (Zhangjiakou) Construction and Mining Equipment Co., Ltd. held a launch ceremony for its large-scale DTH hammer and DTH drill bit production line. The launch of this production line marks that the DTH drilling tool production capacity of Atlas Copco (Zhangjiakou) Construction and Mining Equipment Co., Ltd. has reached a world-leading level.

　　The construction project of the large-scale DTH hammer and DTH drill bit production line of Atlas Copco (Zhangjiakou) Construction and Mining Equipment Co., Ltd. was launched in July 2013 and officially went into operation on December 17, 2014. The total investment of the project is approximately RMB 18 million. After the official launch of the production line, Atlas Copco (Zhangjiakou) Construction and Mining Equipment Co., Ltd. can provide DTH hammers from 3.5 inches to 30 inches and DTH drill bits from 3.5 inches to 48 inches. The strong production capacity fills the gap in domestic production of large drilling tools. 　　“We have always been committed to continuously improving drilling methods and shortening the time required to drill large holes. The completion of our production line marks that the Atlas Copco Zhangjiakou plant has become the first manufacturer in China capable of providing drilling tool products from 3.5 inches to 48 inches. Our dream has come true, and we are proud of it. We believe that our products will likewise help customers turn countless engineering dreams into reality,” said Lina Nyman, General Manager of Atlas Copco (Zhangjiakou) Construction and Mining Equipment Co., Ltd., at the inauguration ceremony.

　　Founded in 1987, Atlas Copco (Zhangjiakou) Construction and Mining Equipment Co., Ltd. mainly produces DTH impactors and DTH drill bits. With leading technology and excellent quality, its products fully meet customers' drilling needs in mineral resource extraction, infrastructure construction, national defense engineering, water conservancy and hydropower, and other engineering applications, helping customers achieve sustainable productivity.