Petroleum and natural gas exploration, production, technology research and development, technical consulting services and mineral product marketing; basin and surrounding mineral resource exploration, production and mineral product marketing; self-operated import and export, foreign economic and technical cooperation; production of special equipment for oil drilling and perforation Equipment processing; storage tanks, pipeline physical cleaning, maintenance and technical services; oil and gas metering technology development and technical consulting services; downhole tool development, production, sales and maintenance; oil and gas field oil (gas) engineering planning and program design, oil production technology and equipment Tool production, sales and product (technical) testing; lubricants, auto parts, auto repairs, daily groceries, stationery, agricultural machinery and accessories, rubber products, sporting goods (except crossbows), health supplies, hardware products, building mate
Rice, corn, soybean processing and marketing; Grain planting, purchasing, wholesale; Grain storage, drying; Wholesale and retail of prepackaged and bulk food; Beverage manufacturing, sales; Fast food service; Road transportation of general goods; Solar power; Food quick freezing; Self display service: goods import and export business (except for goods prohibited or involved in administrative approval by the state).
Food, electronic household appliances and lighting, vehicles and accessories, machinery, hardware tools, building materials, chemical products, energy, consumer goods, gifts, home decorations, textiles, clothing and footwear, office bags and leisure supplies, medicine and medical care, others
Petroleum and natural gas exploration, production, technology research and development, technical consulting services and mineral product marketing; basin and surrounding mineral resource exploration, production and mineral product marketing; self-operated import and export, foreign economic and technical cooperation; production of special equipment for oil drilling and perforation Equipment processing; storage tanks, pipeline physical cleaning, maintenance and technical services; oil and gas metering technology development and technical consulting services; downhole tool development, production, sales and maintenance; oil and gas field oil (gas) engineering planning and program design, oil production technology and equipment Tool production, sales and product (technical) testing; lubricants, auto parts, auto repairs, daily groceries, stationery, agricultural machinery and accessories, rubber products, sporting goods (except crossbows), health supplies, hardware products, building mate
Rice, corn, soybean processing and marketing; Grain planting, purchasing, wholesale; Grain storage, drying; Wholesale and retail of prepackaged and bulk food; Beverage manufacturing, sales; Fast food service; Road transportation of general goods; Solar power; Food quick freezing; Self display service: goods import and export business (except for goods prohibited or involved in administrative approval by the state).
Food, electronic household appliances and lighting, vehicles and accessories, machinery, hardware tools, building materials, chemical products, energy, consumer goods, gifts, home decorations, textiles, clothing and footwear, office bags and leisure supplies, medicine and medical care, others
