The registration address of shandong jinjian river environmental engineering ltd. Is located at 6577 honghua east road, the city of yanjong, shandong province, and covers environmental works, municipal works, construction of garden works; processing, marketing and distribution of specialized equipment and accessories for environmental pollution prevention and control, sewage treatment technology, solid waste disposal technology, development of technologies for atmospheric pollution management, technology transfer; manufacture, sale of rolling machinery, moulds, plastics; development of ship technology; and import and export of goods。