The legal entity, the data department of liang creek in no sing city, which has no registered address, includes environmental works, plumbing works, municipal utility works, architectural renovation works, waterproofing works, plumbing cleaning, plumbing and testing services, municipal waste operations, collection, transport and disposal services, septic tanks, sediment tanks, sewage tanks, cleaning services, general machinery and accessories, the sale, installation and maintenance of environmental equipment and utilities. (projects subject to legal approval may not operate without the approval of the relevant department)