Research and development of new material technologies; sales of lubricants; packaging services; general cargo warehousing services (excluding items requiring permits such as hazardous chemicals); sales of petroleum products (excluding hazardous chemicals); sales of chemical products (excluding licensed chemical products); wholesale of auto parts; sales of plastic products; sales of rubber products; road freight transport of general cargo vehicles with a total mass of 4.5 tons or less (excluding online freight and dangerous goods); technical services, technical development, technical consulting, technical exchange, technology transfer, and technology promotion.