Beijing QingDa Agricultural Research Technology Co. Ltd. specializes in renewable energy, waste recycling economy and other areas of project, technology and related equipment development, manufacturing, sales and guidance. The subordinate companies have research and development department, Marketing Department, workshop, after-sale service and so on four departments, relying on university technology advantage, play a sincere team spirit, in recent years, many products and technology in the national get huge customer groups, in the utilization of renewable resources, desalted field. Each product get praise of users, good reputation ristyrr bring new users who were countlessto the company . Efficient solar water heater equipment is the company R&D department and tsinghua university energy experts jointly developed. Our company produces the new generation mechanism of charcoal, changed the domestic equipment device flaws, has wear-resisting durable common, long service life, a great speed, the characteristics of disposable drying raw materials.