Established in 2002, Changsha Tianhe Drilling Tools and Machinery Co., Ltd. is a professional manufacturer and exporter that is concerned with the design, development and production of down hole rock drilling tools. We are located in Changsha City, Hunan Province, China, with convenient transportation access. All of our products comply with international quality standards and are greatly appreciated in a variety of different markets throughout the world. Covering an area of 45000 square meters, we now have over 180 employees, an annual sales figure that exceeds USD20,000,000 and are currently exporting 60% of our products worldwide. Our well-equipped facilities and excellent quality control throughout all stages of production enable us to guarantee total customer satisfaction. Besides, we have received ISO9001:2000, ISO9001:2008,SONCAP certificates,and applying for CE and GOST certificates. As a result of our high quality products and outstanding customer service, we have gained a g... [Details]