Changsha Drilling Machinery Co., Ltd. (CTHC)

Changsha Drilling Machinery Co., Ltd. (CTHC) Located in historic city: ChangshaIt is a professional manufacturer of drilling equipment diamond bits and diamond reaming; CTHC has the team of professional technicians as well as advanced production craftwork and excellent service system. Meanwhile, CTHC has established technical cooperation relations with Central South University and China University of Geo-sciencesWe are a collection of scientific research, processing and sales business. The company main products are diamond bit, diamond reaming, PDC drill bits, drilling tools, drilling materials, drilling rigs, and other accessories. Annual production capacity could reach 400 million RMB. Our products are widely applied to the geology, water, electricity, metallurgy, mining, coal, and railway, roads, buildings and building materials. We received high praise for our high product quality and liable servicesCTHC have been an excellent manufacturer in drilling field. All those achievemen...