Hangzhou Dadi Haiyang Environmental Protection Co., Ltd. engages in the collection, resource utilization, and harmless disposal of hazardous wastes such as waste mineral oil and waste emulsion. It mainly utilizes dangerous wastes, such as waste mineral oils, waste emulsions, filters and oil bottles. The company was founded by Zhong Liang Wang and Shun Ying Bei on June 20, 2003 and is headquartered in Hangzhou, China.