Changzhou Chang-Yu Chemical Co.Ltd was founded in 1983. It’s located in chemical district in Changzhou.It’s especially produce sets of intermediates of naphthalene & benzene.

At present, the company occupies more than 70,000 m2 and has 250 million capital asserts. Our company has the abilities to produce 5,000 tons Refined Naphthalene; 4,500 tons α-Naphthylamine; 3,000 tons α-Naphthol; 1,500 1-Amino-4-Naphthalene Sulfonic Acid Sodium; 1,000 tons NW acid; 2,500 tons 6-NITRO , 800 tons Mordant Black 11 and 6,000 tons resorcinol. The productive technique has reached to international leading level and has gained multinomial inventive patents.