Hazardous chemical production; hazardous chemical operation; food additive production; construction engineering construction; specialized professional operations; packaging and decorative printing; document, data, and other printed matter printing; power generation business, power transmission business, power supply (distribution) business. General items: food additive sales; chemical product production (excluding licensed chemical products); chemical product sales (excluding licensed chemical products); specialized chemical product manufacturing (excluding hazardous chemicals); specialized chemical product sales (excluding hazardous chemicals); petroleum product manufacturing (excluding hazardous chemicals); petroleum product sales (excluding hazardous chemicals); plastic product manufacturing; plastic product sales; labor protection product production; labor protection product sales; special labor protection product production; special labor protection product sales; garment manufacturing; garment and apparel wholesale; garment accessories sales; daily miscellaneous product manufacturing; daily miscellaneous product sales; packaging materials and product sales; computer software and hardware and auxiliary equipment wholesale; digital video surveillance system sales; optical communication equipment sales; instrument and meter sales; fire-fighting equipment sales; electronic product sales; network equipment sales; office equipment consumables sales; office supplies sales; metal material sales; building material sales; first-class medical device sales; second-class medical device sales; computer and office equipment repair; specialized equipment repair; metal product repair; loading and unloading handling; road cargo transportation for ordinary freight vehicles with a total mass of 4.5 tons or less (excluding online freight and dangerous goods); leasing services (excluding licensed leasing services); labor services (excluding labor dispatch); new material technology research and development.