Nanjing Hengxiang thermal insulation material manufacturing Co., Ltd. was founded in 1996, and its headquarter is located in the ancient capital of Six Dynasties Nanjing, Jiangsu Province. Our company has been focusing on the R & D and production of rock wool products for more than 20 years. Since its establishment, the company has developed into an influential enterprise in the industry step by step with the management concept of "quality first, business winning and management oriented", and has established its own brand Kaihua. With strong innovation and insight into the market, Kaihua rock wool has gained the trust and support of many customers.