1. IPO subscription suggestions:

The company is the world's largest producer of various fine chemicals used as important dyes and pigment intermediates. As the world's largest producer of DSD acid and DMSS, we are able to produce at a lower cost than our competitors. The company has always been committed to research and development to ensure stable product quality and cost savings. The company is also increasing its attention to environmental, health and safety protection. The company is now vertically integrated to produce PNT and enter the ONT/OT market, increase the production capacity of existing products and develop new products in-house, invest in R&D to improve production processes and increase product variety. Through selective acquisition expansion, it aims to improve technology, supplement product supply, and establish greater economic scale effects. The company's net profit for 2012-2014 was RMB 128.13,1071 million respectively, and gross margins were 28.4%, 29.8%, and 38.1% respectively. The guide price for each share is HK$4.01-5.51, which is equivalent to 9-13 times PE. Careful subscription is recommended.