The registration address of hslg, located in the private industrial park in the hsed, is the market supervision authority of the city of hs, represented by the legal person zhao hong-ryong, and covers the operation of hydraulic kits, low-pressure rubber hoses and hose combinations, fluid connections, rubber products, oil drilling hoses and hose connections, industrial hoses, rubber complex hoses and hose connections production, research and development, marketing and services; the sale of fluid conveyance devices and systems, chemical raw materials and products (except hazardous chemicals, vulnerable toxic chemicals, controlled chemicals); and import and export operations for goods and technology (except goods and technologies for which the state limits companies on operating or prohibiting imports and exports)。