欧美精品九九99久久在免费线,人妻系列无码专区无码中出,天堂国品一二三产品区别大吗,少妇被水电工侵犯在线播放

     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