Production of sanitary products and disposable medical supplies; construction engineering construction. General items: goods import and export; electronic component manufacturing; daily-use mask (non-medical) production; first-class medical device production; daily-use miscellaneous product manufacturing; household textile product manufacturing; hardware product manufacturing; plastic product manufacturing; household product manufacturing; sporting goods and equipment manufacturing; maternal and infant product manufacturing; metal material manufacturing; luggage manufacturing; daily-use wood product manufacturing; general equipment manufacturing (excluding special equipment manufacturing); general parts manufacturing; knitted or crocheted fabric and product manufacturing; fastener manufacturing; medical packaging material manufacturing; intelligent instrument and meter manufacturing; building hardware accessory manufacturing; electronic component wholesale; garment manufacturing; daily-use mask (non-medical) sales; sanitary products and disposable medical supplies sales; pet food and supplies retail; outdoor supplies sales; textile and knitwear sales; daily necessities sales; maternal and infant supplies sales; luggage sales; daily-use miscellaneous product sales; metal product sales; engineering management services; first-class medical device sales; building hardware accessory sales; fastener sales; personal hygiene product sales; information consulting services (excluding licensed information consulting services); network technical services; enterprise management; marketing planning; technical services, technical development, technical consulting, technical exchange, technology transfer, technology promotion; domestic cargo transportation agency; leasing services (excluding licensed leasing services); transportation equipment leasing services; container leasing services; road cargo transportation for general freight vehicles with a total mass of 4.5 tons and below (excluding network freight and dangerous goods); air transport cargo packaging services; procurement agency services; property service evaluation; warehouse receipt registration services; internet of things application services; domestic container cargo transportation agency; loading and unloading; transport cargo packaging services.