Luoyang Hanyi Chemical Co., Ltd. is based in China and lists chemical products on Global Trade Plaza. The company offers DSD acid, 4, 4-dinitrostilbene-2, 2-disulfonic acid, P-nitrotoluene-o-sulfonic acid, and 2-amino-1, 4-benzenedisulfonic acid. The company lists 1997 as its year of establishment. Buyers can send an enquiry through Global Trade Plaza.