Technical services, technology development, technical consulting, technology exchange, technology transfer, technology promotion; lubricant processing and manufacturing (excluding hazardous chemicals); lubricating oil sales; petroleum product manufacturing (excluding hazardous chemicals); petroleum product sales (excluding hazardous chemicals); industrial textile finished product manufacturing; industrial textile finished product sales; machinery and equipment sales; instrumentation sales; household appliance sales; electronic product sales; daily chemical product sales; automobile spare parts wholesale; motorcycle and spare parts wholesale; motorcycle and spare parts retail; goods import and export; second-class medical device sales. Licensed items: Production of Class II medical devices.