Jilin City Yujia Naphthol Chemical Industry Co.,Ltd. shi owns one set of domestically largest naphthol AS production with a yearly production of 3,500t and one set of 2:3 acid plant with a yearly production capacity of 2,400t. Yearly production value has reached RMB 65 million. In 2004, yearly production capacity of naphthol AS is to be increased by 2,500t and 2:3 acid by 3,000t. Yearly production value can exceed RMB 100 million.