The dauma lubricating oil production plant is a joint venture in the production, sale and service of "duma " lubricating oil; the douma brand is an autonomous intellectual property right owned by the dauma lubricating oil production plant. The dauma lubricating oil production plant was established in 1996 and has a history of professional production of lubricants for almost two decades. Dowmar lubricating oil was the top brand of lubricating oil for central television in 2013; dowmar lubricating oil was a lubricated oil product insured by the china safety insurance corporation. The plant has achieved annual production capacity of 13,000 tons and storage capacity of 3,000 tons of raw material base oil. There are currently 66 employees and 6 laboratory scientists. The products of the dumar lubricant include wood oils, motor oils, gear oils, lubricant for industrial or mining enterprises, lubricant, anti-frozen fluids, motorcycle oils, glass water, etc., and nearly 100 different models...