is a national high-tech enterprise, a private technology enterprise in Jiangsu Province of China, and a member unit of China Foundry Association. It has inherited the international management model and experience of its main company (Nanjing Guhua Metalwork Co., Ltd.-founded in 2003), and is an international technology-based enterprise focusing on the research of high-efficiency grinding technology of castings in the foundry industry and the design, production and sales of grinding tools and equipment.