R&D, production and sales: hardware machinery, surface coating equipment, sand blasting machines, shot blasting machines, shot blasting machines, polishing machines, grinding machines, cleaning machines, electronic assembly line equipment, air compressor equipment, automation equipment and systems, industrial robots and equipment, dust removal equipment, air purification equipment, industrial environmental protection equipment, automatic welding equipment, printing and packaging equipment, logistics and transportation equipment; sales: hardware and mechanical and electrical products, abrasives, abrasive tools; import and export of goods.