Tangshan Zhonghao Chemical Co., Ltd.

Hydrogen, nitric acid, cyclohexane, cyclohexene, formaldehyde solution, trioxymethylene (in operation until November 19, 2024); 1,3-dioxolane production (in operation until May 14, 2024); production, sales and export of polyformaldehyde, adipic acid, dibasic acid, cyclohexanol, desorbed gas, nitrogen, compressed air, instrument air, steam, desalted water, deoxygenated water, reclaimed water, plastic pellets and sieve plates; detection of polyformaldehyde and adipic acid; utilization of residual pressure; technical consulting and services for polyformaldehyde process; technical consulting and services for adipic acid process; introduction of technology, import of raw materials and equipment required for production; calibration of safety valves (for projects that require approval according to the law, business activities may only be carried out after approval by relevant departments).