The registration address of the salt city centre environmental technology ltd. Is located at plant 5-18 (m) of the twin parks in the salt township, great land lake township, the registered agency is the administrative approval board of the salt town district, represented by a legal person, and operates in the areas of research, design, promotion and advisory services on environmental technology, construction of environmental works, sewage treatment, manufacture and sale of environmental equipment. General projects (subject to approval by law and subject to the approval of the relevant department): agricultural machinery services; agricultural machinery manufacturing; marketing of agricultural machinery; sale of machinery and equipment (in addition to projects subject to authorization by law, operating on an autonomous basis under a licence of law)