In order to purchasing advanced abrasives production equipment in China, Saint-Gobain Company appointed Mr. Frank-purchase director (Saint-gobain France Headquarter), senior manager-Mr. Niranjan (Saint-gobain India Company), Production manager-Mr.Yu Wenjun (Saint-gobain China) to on-site inspect three abrasives equipment manufacturers respectively on team technology, R&D capacity, quality, safe, etc. about half a year. At the same time they inspect tunnel kiln for resin bond grinding wheels, multiple states auto push type press for resin bonded grinding wheel, tank blender and so on. At last Zhengzhou Dahua Mechanical & Electronic Technology Co., Ltd. is affirmed as global qualified supplier of Saint-Gobain.

Saint-gobain India Company signed a contract on April 7th 2009 with Dahua. This symbols that the technology and quality of multiple states auto push type press for resin bonded grinding wheel has reached the international advanced level.