Heng Nuo Chem is a manufacture in China which specialized produce 2,5-dimercapto-1,3,4-thiadiazole, thiadiazole heterocyclic compound, thiadiazole derivatives, ester of dimercapto thiadiazole, mercaptothiazoline and thiazolidinethione derivative, mainly include rubber vulcanizing agent and vulcanization accelerator, lubricant antioxidant additive, metal passivator, extreme antiwear additive, pharmaceutical intermediates, agriculture intermediates and other fine chemical products.