Zoucheng Hengtai Glass Fiber Products Co., Ltd., founded in 1971, is a professional glass fiber manufacturer which was invested by the National Administration of Building Materials and designed and built by Nanjing Glass Fiber Research and Design Institute. It is a state-controlled enterprise with state assets accounting for 88%. The company has a floor area of 60,000 square meters, an annual productivity of glass fiber yarn of 4,200 tons, an annual productivity of glass fiber cloth of 16 million meters, a deep processing production line with the annual productivity of 7 million meters, and 620 staff including 386 people with college degree, technical secondary school degree or technical school degree and 86 professional technicians.