462. Year of Establishment: 1994-07-19. Management System Certification: ISO 9001, ISO 14001, OHSAS/ OHSMS 18001. Info marked by is verified by SGS. Xilong Scientific Co., Ltd., founded in 1983, was established as one of the largest chemical reagents manufacturers and suppliers in China. Combining with R&D, import and export business, Xilong Scientific′s business volume has reached over USD 180 million in 2009.