The registration address of zhengzhou szere preservative engineering ltd. Is at no. 1-6 north of the city of zhengzhou, henan province; the registration authority is the market supervision authority of zheng city in the eastern part of the eastern part of the river. The legal entity is the market supervision authority of zheng city and its representative is liao jin. The scope of the operation includes licensed projects: subcontracting of construction services (subject to legal authorization, subject to approval of the relevant department) for the operation of general projects: sale of preservation materials; sale of paints (without dangerous chemicals); sale of machinery equipment; sale of new metal functional materials; sale of mechanical electrical equipment; sale of transport and public administration plates; retailing of vehicle spare parts; painting; metal-processing machinery; manufacture of gold; surface treatment and heat processing of metals; and operation of technical services, technological development, technical advice, technology exchange, technology transfer, technology promotion (in addition to projects duly approved by law)