The registered address of hong kong environmental equipment ltd. Of the city of jie ning is located in the village of buffalo in the town of jiegu, in the province of shandong province. The registration authority is the city market supervision authority of jie ning city. The legal entity is represented by chen guan, and its scope of operation includes organic fertilizer kits, biogas equipment, mine machinery, professional operating machinery, production and sale of energy conservation equipment for sewage treatment, energy conservation equipment, construction and installation of biogas works, sewage treatment works, organic fertilizer production