My company's production project
                                                           Our company developed advanced production technology of Dipentaerythritol and Tripentaerythritol in 2015, and successfully produced high-quality Dipentaerythritol and Tripentaerythritol up to the international standard. Our annual output can be reached 3,000 tons of Dipentaerythritol and 1,500 tons of Tripentaerythritol, become the only production-oriented enterprises in China in polyol production.
                                                        Copyright:Puyang Yongan Chemical Co., Ltd. Yuicp preparation No. 05002971 technical support: huawang media statistics
                                                        久久久久久无码精品大片_好吊妞国产欧美日韩观看_国产一级毛卡片视频a_久久免费露脸丝袜国产