inan Realong Chemical Co., Ltd. engaged in research and development, customization, production, and sales of fine chemical products such as various pharmaceuticals, dyes and pesticide intermediates etc. What do we have? Quinoline, Isoquinoline, Dimethylquinoline, Indolone, Indene, 2-Indanone, ?-methylnaphthalene, ?-methylnaphthalene, mixed methylnaphthalene, industrial acenaphthene, industrial fluorene, Anthraquinone, carbazole, pyridine, refined naphthalene, industrial naphthalene etc.