Where are the most chemical plants in Hainan?

Haikou Guilin Ocean Economic Development Zone and Hainan Old Town High-tech Development Zone.

1. Haikou Guilin Ocean Economic Development Zone, located in Haikou City, Hainan Province, belongs to the planning area of Jiangdong Group in Haikou City. It was established in 1991 with a total area of 41.3 square kilometers. There are 3 food, machinery and textile factories in the development zone.

2. Hainan High-tech Industrial Demonstration Zone is located in the Old City Economic Development Zone, covering an area of more than 12,57 mu, with a beautiful ecological environment. There are 43 chemical, mechanical and electronic factories in the development zone.