The business scope includes: General projects: Sales of metal tools; Sales of non-metallic minerals and products; Mold sales; Sales of asbestos products; Sales of high-performance sealing materials; Sales of high-performance fibers and composite materials; Wholesale of hardware products; Retail of hardware products; Sales of metal products; Sales of pneumatic and electric tools; Sales of mechanical equipment; Sales of machine tool functional components and accessories; Sales of electronic components and electromechanical component equipment;