Shandong Heng Shenglong Building Material Co., Ltd. is the only professional provider of non-paper-surface gypsum boards in China. We have been devoted to the R&D of wood fiber gypsum boards for 7 years. The new production line is based on the German related equipment with the efforts of our designers. This production line has the best performance at home. We get six patents, which makes our company become the only producer of wood fiber reinforced gypsum board in China. We have four ...