汽车新车销售；汽车零配件零售；润滑油销售；汽车旧车销售；二手车经销；二手车经纪；二手车鉴定评估；互联网销售（除销售需要许可的商品）；机械零件、零部件销售；汽车零配件批发；

, Coffee beans and coffee appliance trade, family and corporate coffee services, coffee talent training and export, and coffee services and solutions for coffee shops

Columbia Lameda Vision

Agricultural technology development, consultation, exchange, transfer and extension services; Agricultural Science Research and Experimental Development; Intelligent agricultural management; Returning crop straw to the field; Crop cultivation and transplanting services; Crop harvesting services; Crop pest control services; Agricultural machinery services for fertilizing crops and spraying pesticides on a fee or contract basis; Grain farming; Primary processing services for agricultural products; Grinding of grain; Cereals, beans and potatoes, rice, flour products and edible oil, food, beverage, agricultural unmanned machinery sales; Internet life service platform (except financial business); Internet sales of agricultural and sideline products (except those involving pre-approval and licensing and operations prohibited by the state); Grain purchase, drying and marketing; Loading, unloading and handling; Road transport of general goods; Road transport agency activities.

Agricultural and sideline food manufacturing, edible oil processing, agricultural scientific research and experimental development, agricultural products sales, logistics and warehousing services, agricultural products proces

Production of GPS and Glonass trackers.

Manufacturing and sales of Guzheng, Guqin and Erhu; sales, maintenance and maintenance of national musical instruments.