Zhejiang hangzhou drilling machine manufactory Co., Ltd. (former hangzhou drilling machine factory of state power corporation of China) is a joint-stock company shared by China huadian engineering corporation which is a subsidiary of China huadian corporation. Our company has been graded nationwide as second-level enterprise, calculation unit, and file-management company and passed ISO9001 quality management systems, ISO14001 environmental management standards. We were evaluated as national dual-civilization unit of state power corporation in 2002, and civilization unit of China huadian corporation in 2003. In 2006, we were listed as high-tech enterprises by sicence & technology department of zhejiang province. On March, 2009, we are identified as torch program high-tech enterprises by national ministry of science & technology, and credit arrangement demonstration unit of zhejiang province in 2010.

We are specialized in safety instruments of coal mining, coal and ash handling system in thermal power plant, hydraulic drilling and grouting instruments. For many years we have been working on the R&D, manufacturing, assembling, technology-consulting services and absorption of related overseas high technology and has shared a superior honor in this industry.

In 1997, the company began to research and develop instruments of coal-sampling system, and has established technical cooperation successively with American companies johnsons, jbl, jeffery and Germany company siebtechnik. By combining the situation locally, we are improving and developing our products all the time. After many years' striving, we have received positive feedback of coal-sampling system widely from customers and have become the instrument supplier of several scores of megawatt power projects nationwide.

The company has founded an office in Hanoi, capital of Vietnam, and granted the authorization to coordinate and handle the exploration of local market, commercial contract, after-sale service, and technical support. The general business includes safety instruments of coal mining, hydraulic power basic processing equipment, and thermal power supporting instruments(coal-sampling system).