Henan King State Heavy Industrial Machinery Co., Ltd. is a modern new & high-tech enterprise established with a state level research center. Our company is located in National Economic & Technological Department Zone of Zhengzhou - the Capital of Henan Province. Our company has an area of 35000 square meters and fixed assets of 36 million Yuan, with engineering and technical personnel covering 20% of the total employees. Our company has passed ISO9001:2000 quality system authentication. Our company is a state-level quality management enterprise and is the Member Unit of China Brick & Tile Association and the Member Unit of China Sand Association. In 2006, our company was recognized by the Ministry of Commerce, and gained independent machinery import and export right. In quality control, we strictly comply with established international standards. We set up quality control department to strictly inspect the quality of raw materials and every aspect of production, for example, random inspections are conducted on the materials we use, as well as on each step of production, in addition to standard inspections of finished products, so we can provide crushers, such as impact crushers and double roller crushers, as well as sand-washing machines which are reliable with high quality.