Ningbo Zhenhai Taida Chemical Co., Ltd. is the?Subsidiary of Zhenhai Petrochemical Industry & Trade CO.,LTD. We produce and export phthalic anhydride and polypropylene. We have more than 20 years history on PA production. our PA annual output is 72,000 tons and use ortho-xylene as raw material. PA can be used for coating, resin, plasticizer and etc. We have more than 30 years history on production PP, our PP is in powdered form, annual outputs is 70000 tons. Raw material of PP and PA is purchase...