日本高清视频卡一卡二_国产亚洲成AV人片在线观黄桃_很黄的赤裸裸美女视频_可以直接看A片的国产网站_影音先锋电影aⅤ资源_无遮挡h肉动漫网站_日韩无码首页_青柠视频在线观看bd_1963菠萝蜜女人体_无码人妻aⅴ一区二区三区不卡

     Nanjing Zhengsen Environmental Protection Technology Co., Ltd. was established by the former research Institute of Sinopec Jinling Company and Lubricant Factory of Nanjing Gaochun. Our company is a high-tech enterprise integrating research and development, production and sales, and has the right to import and export. The company is a member unit of China Activated Carbon Association, a high-tech enterprises, a technological SME in Jiangsu Province, a private science and technology enterprises in Jiangsu Province and an environmentally-friendly activated carbon engineering technology research center in Nanjing. Our company cooperates with Southeast University, Northeast Forestry University and Nanjing Forestry University to carry out industry-university-research cooperation and establish teaching practice bases. The company is located in Gaochun, Nanjing, which is known as the "National Ecological Demonstration Zone". Gao Chun is a place surrounded by green mountains and clear waters, with clear and fresh air, and a beautiful environment. The company is adjacent to the Ninggao Expressway, and is only 50 kilometers from Nanjing Lukou International Air...

ABOUT US