Xilong Chemical Industry Incorporated Co. Ltd. was established in 1983. We are a manufacturer of Chemical Reagents (Laboratory, PCB and High Purity Grade). Also we handles Pharmaceutical Intermediates sales and development, and Chemical Raw Material Trading. After 20 years of development, Xilong Chemical has now developed over 1000 different regents products. With strong R&D facility and production capacity, we have developed into one of the largest manufacturer in China. According to China ...