Nanjing Hengxiang Insulation Materials Manufacture Co., Ltd., whose predecessor is Nanjing Kaihua Insulation Materials Manufacture Co., Ltd., was established in 1996 and has developed into a stronger and bigger company through 10 years' effort and struggle. Our company was established in July, 2007 (with its brand name Kaihua). A new production and technological development base was built in Liuhe Economic Zone in Nanjing City. Our company has invested more than RMB 35,000 thousand on the new production line, covering an area of 60,000 square meters, with an annual output of 20,000 tons. We are one of the biggest domestic mineral wool manufacture enterprises with advanced technology and big scale, and we sell our product to overseas market. We adopt the most advanced European mineral wool manufacturing technology, with completely computer control throughout the manufacturing procedure.