Mr. Simba Shen, the Intl. Business And Project Manager of CHINA CHONGQING SCIENTIFIC & TECHNOLOGICAL DEVELOPMENT CO., LTD. As a premier and leading professional, experienced and productive manufacturer specialized in the Unqualified or Waste Oil recycling, purification and regeneration treatment and also industrial water treatment, CHINA LUSHUN Lushun has achieved good markets development and reputation, and has also achieved great success in many cooperation projects.