Design and development of bearing products and accessories, technology transfer, technical consulting services; sales: bearings and accessories, special equipment and accessories for bearing production, metal materials, wear-resistant materials, special instruments for bearing testing, machine tools and accessories, agricultural machinery and accessories , Construction machinery equipment and accessories, mining machinery equipment and accessories, water pump motors and accessories, electromechanical products, plastic products, rubber products, instrumentation, laboratory equipment, hardware, auto parts, elevator accessories, amusement facilities and accessories, lubricants (finalized Packaging), building materials, labor insurance supplies, cultural goods, sporting goods (excluding crossbows); computer software and hardware technology development, technical consultation, technology transfer; exhibition services; conference services; etiquette services; mechanical equipment operating l
