The registration address of the water couping company limited is located in the west shore industrial project area of the city of the city of the capital, with the registration authority being the city of the city of the city's market supervision authority and the legal entity's representative liu niu, which operates on the basis of the manufacture of brakes and their accessories, the total number of plates, drums and hooves for cars, brakes for engineering vehicles, brakes for wind power equipment, motorcycle brakes, machine-bed brakes, sales of raw materials, cars, engineering vehicles, motorcycle parts and components, and the import of machinery, spare parts, raw equipment, spare parts, raw materials and technology for the export and export of the enterprise's own products and technologies, with the exception of goods and technologies for which the state limits companies ' operations or prohibitions on imports and exports. Technical research and development, transfer, technical advice, technical services, technical testing services for friction materials and brake products; road transport of ordinary goods; rental of own houses; rental of equipment for detection of friction materials; solar power generation; sale of electricity services. (laws, administrative regulations that require approval may not operate without approval)