Jining Qicai Chemical Co., Ltd. was established in 2008. The company is located in the Jibei High-Tech Industrial Park, Ershilipu, Rencheng District, Jining City. Its main products include 2,4-dihydroxybenzoic acid (200 tons/year), crude quinoline (1,500 tons/year), refined quinoline (600 tons/year), isoquinoline (150 tons/year), 2-methylquinoline (80 tons/year), and alkylquinoline (700 tons/year). 2,4-dihydroxybenzoic acid is primarily used in the production of dyes, ultraviolet absorbers, and pharmaceutical intermediates. The quinoline series products are deep-processed downstream products of coal chemical engineering. The quinoline series products, developed with Shanghai technology introduced by our company, are at the industry's leading level and hold a 30% share of the domestic market, demonstrating strong development prospects. The company covers an area of 17,649 square meters, with a total investment of over 30 million yuan and an annual sales revenue of more than 50 million yuan.