Qingdao Green Source Industry Co.,Ltd. located in Qingdao, a beautiful coastal city. Based on ecological agriculture and environmental protection industry, the company is mainly engaged in the research, production, engineering installation and services in the field of organic solid waste biological treatment. Manure, farm waste, municipal sluge, kitchen waste and other wastes are composted by aerobic fermentation equipment, realizing the decomposition, harmless, homogenization, and drying of materials. It not only produces high-quality organic fertilizer, but also realizes clean production and improves the environment. We cooperates with Japanese companies with more than 30 years of experience in the production of organic fertilizer equipment in many technologies and products to provide advanced fermentation equipment and mature fermentation technology for users.