The registration address of the west angian marine environmental technology company ltd. Is located in the village of kantin street in xi'an city. The registration authority is the market supervision authority of the city of xi'an, represented by san san san, and covers industrial cleaning, chemical cleaning, high-pressure water cleaning of large oil and smoke machines; boiler cleaning; construction of pre-drive cleaning works for chemical installations; development, production and sale of lubricating oils, absorbents, water treatment agents, chemical assistants; preservation, heating, cleaning of industrial equipment; design, construction of water treatment works; development, promotion and application of washing technologies, water treatment technologies; construction, heating, installation of chemical equipment and renovation works. (projects subject to legal approval may not operate without the approval of the relevant department)