The registration address of hangzhou heiner materials ltd. Is located in 5 houses, 716 rooms, located in the cave of hangzhou, zhejiang province, and is registered as the market supervision authority of the cave of hangzhou city, represented by a legal person, song lanfang, and covers general projects: development of new materials technology; sale of non-ferrous metal alloys; sale of metal materials; sale of technical services, technology development, technical advice, exchange of technology, transfer of technology, extension of technology; sale of rare earth function materials; sale of synthetic materials; sale of graphite and carbon products; sale of new metal functional materials; sale of high-performance non-ferrous metals and alloy materials; sale of fire-resistant materials; sale of chemical products (other than licensed chemical products); sale of metal-based and ceramic composite materials; sale of non-metal mines and products; sale of specialized chemical products (other th...