Shanghai Yichai Industrial Co., Ltd. is a company that operates precision instruments and equipment. The company's products include 3D scanners, hardness testers, material testing machines, metallographic sampling equipment, profile section measuring instruments, internal micrometers, etc. Widely used in research institutes, automotive and shipbuilding, metallurgy, steel, energy, machinery manufacturing, chemical industry, rubber and plastics, light electronics, medical building materials and other industries for testing, scientific research and shovel.