6000 T / a phthalic anhydride project in Xingtai Ningjin salt chemical park

6000 T / a phthalic anhydride project in Xingtai Ningjin salt chemical park

The relocation of the old factory was completed, The project of 2000 tons of Homotetrachloric anhydride was put into operation.

Solvent crystallization refining pyromellitic dianhydride put into operation

Construction of 2000 t / a phthalic anhydride project in Gaocheng Economic Development Zone

Expanded production of pyromellitic dianhydride by 1000 tons

Pyromellitic dianhydride products have passed the certification of American DuPont company

Shijiazhuang Hope Chemical Co., Ltd. was established after enterprise restructuring

Successfully developed pyromellitic dianhydride

The solvent crystallization purification technology of pyromellitic dianhydride was successfully developed

Development of pyromellitic acid products

Obtain self operated import and export rights

Pyromellitic dianhydride products are exported to the EU market

The maleic anhydride branch of Gaocheng polypropylene plant was established and the pyromellitic dianhydride project was put into operation