Hangzhou tianyicheng environment protection equipment Co., Ltd. is a national high-tech enterprise listed on the new third board. Hangzhou technology center specializes in process design and equipment manufacturing of non-ferrous metals (precious metals such as nickel, cobalt, copper, lithium, manganese and zinc) and rare earth hydrometallurgy. Its main products include extraction equipment, PPH / HDPE equipment, micro interface degreasing equipment and stirring equipment It is a well-known domestic professional manufacturer of extraction equipment and anti-corrosion storage tank. It has a good reputation and influence in the industry.