Yanxin is a high-tech joint venture involved with manufacture of new manual sandwich board, machine-made sandwich board and cleanroom equipment as well as engineering construction of dustproof room and laboratory. The Company focuses on the R&D and the applications of the new materials in the field of dustproof purification project, electronic workshop decoration, portable dwellings, polyurethane insulation panels and polyurethane exterior wall insulation panels, etc.

The subsidiaries of Yanxin include the Yeshine Board (Suzhou) Co., Ltd., Suzhou Yeshine Cleanroom System Engineering Co., Ltd., Suzhou Yanxin New Material Co., Ltd., Suzhou YanxinInternational Trade Co., Ltd., Tianjin Hen-Yanxin Board Co., Ltd. The Company's headquarters is located at the Qiushe Economic Development Zone (in Tongli town, one of the ten most well-known town is renowned as the eastern Venice and authentic and glamorous southern Chinese town). The Company dominates an area of 12, 000 square meters and has been facilitated with full set of numeric-control partition plate forming machine, precision sheet metal equipment and production line of rigid polyurethane foam (soft surface layer) of international advanced level. The facilities are used by product development and engineering design. The Company's chief products include sandwich board series, rigid polyurethane foam insulation plate series, machine-made sandwich board series, CR doors and CR windows, various types of cleanroom products. In addition, the Company also deals with design, construction and maintenance of GMP workshop, cleanroom, laboratory, etc.