Zhengzhou New Material Industrial Park Science Avenue 12 1 Business scope: Abrasive manufacturing and sales. The export of self-produced products and related technologies of this enterprise; Import business of raw and auxiliary materials, machinery and equipment, instruments and meters, spare parts and related technologies required for production and scientific research of this enterprise; To undertake Sino-foreign joint ventures, cooperative production and "three supplements and one supplement" business; Technical services; Technical research, manufacturing, processing and sales of superhard materials and products and mechanical equipment; Inspection, inspection and metrological calibration of abrasive tools and superhard materials; Sales of chemical products, agricultural machinery, textiles, clothing, steel, non-ferrous metals, wires and cables, construction machinery, sanitation equipment and labor insurance supplies; Engaged in the import and export business of goods and technologies; Freight station operation, warehousing business (except dangerous chemicals), cargo distribution and cargo transfer; Technology development, technical consultation and technology transfer related to production of this enterprise; Catering service; Lease of movable and immovable property; Electricity sales service. (Licensed projects can only be operated after obtaining permission from relevant departments. )