CHENS New Building Materials Ltd (High Hope International Group) is the largest manufacturer of AAC with the most advanced technology and the most perfect testing means in the east of China. The annual production is about 500,000 cubic meters. The AAC of Chens is characterized with lightness, heat preservation, sound insulation, fireproofing and convenience of constructional present, it has been used to the constructive rails fireproofing walls, and the sound insulation, and sound absorbing walls along the trestles of subways and highways.

THE company not only imported the production patent as well as the advanced equipment from the oversea, but also brought into China the advanced managing conception, building theory and construction technology. And also according to Chinese specific situation, it continually perfected and improved them. Chens company has been devoting to the establishment of the business of Chinese government protection building materials with high-efficient organization and management mode and the brand new managing concept. It has passed the ISO9002 International Quality S system Attestation. The detailed confirmation drawings 03SG7155, which complied by the company and Chinese designing institute of construction standard was issued for enforcement by the nation as the standard.