Senda group is one large-scale joint-stock enterprise, which focuses on production of sand making machine, drying equipment and devotes to scientific research, production and sales. It is located in furnace industrial park, National high-tech Industrial Development Zone, Zhengzhou. And it covers an area of 2 00000 square meters, with 60000 square meters of standardized heavy-duty industrial workshop, more than 200 units of various large, medium gold processing, welding, assembly equipment. The staff consists of more than 960 people, including 160 high level of professional title management cadres and technical personnel. It has introduced advanced technology and craft of the United States, Germany, Japan, Australia and other countries, the establishment of the international advanced production line.