The registered address of chengdu o-cai trading ltd. Is located at one of the four operating houses in the western capital of chengducheon, located at 111 chengducheon road, and is the market and quality monitoring authority for the golden cow area, represented by legal persons and comprising wholesale and retail: mechanical equipment, hardware products, rubber products, construction materials and metal materials. (projects subject to approval by law may be operated only with the approval of the relevant department)。