OEM is the abbreviation of original equipment manufacturer. It originally means original equipment manufacturer and refers to the parts manufacturer that supplies the main engine factory. Now it refers to the product driven by the social division of labor and professional interests. The basic meaning is: product development and manufacturing are carried out according to the original unit (brand unit) entrustment contract, using the original unit's trademark, and the cooperative production mode OEM parts sold or operated by the original unit have two necessary conditions: 1. The manufacturer is the main engine factory Actual supporting production. (If you carry out supporting production for Guangzhou, the parts will be OEM parts for Guangben, but they cannot be called OEM parts for Shanghai Volkswagen). 2. Use non-OEM trademarks to sell in the after-sales market. Respondent ：SAA Netizen Level 1 2011-06-19 17:19:07