青青草国产免费国产是公开,中文字幕在线日韩,另类专区bbw视频,2021最新在线观看不卡顿无码,国产观看精品一区二区三区,波多野结衣亚洲一区二区三区,国语自产免费精品视频一区二区

In 2007,Longbo became the controlling shareholder of NJC and engaged european technical expert to design the new plant in Nanjing Chemical Industrial Park. The new plant was in operation after two years construction. The modern design of the new plant is reflected in the product variety, production capacity and latest processing and equipment technology, which can satisfy the long term development of the company and ever growing challenge of the PVC industry. The modern plant has laid a sound foundation for NJC in becoming the market leader of the PVC stabilizer.