Zhang assisted li zuyong to set up yung hwa in 1947. two years later, after a falling out with li, zhang co - founded with yuen great wall pictures corporation. the momentum for developing a mandarin film industry was established but zhang and yuen departed company when the finances and administration of great wall became influenced by events happening in china
張善
琨於1947年協助李祖永創立永華，兩年後因意見不合而與袁仰
安另組長城影業公司，本來聲勢不凡，但很快國內形勢大變，袁張二人因財政及人事上的矛盾而分道揚鑣，袁仰
安仍然留在改組后的長城電影製片有限公司。
Mr. jiang yong - kun, the former chief fire protection expert and senior engineer of the public security ministry has ever worked with the company where he joined hands with several senior engineers and colleagues to set up editorial committee and compile " china fire services engineering manual " for nationwide distribution in china. the manual serves as a professional guide - book in the field of design, implementation and management of fire profection engineering
原公安部首席消防專家、高級工程師蔣永琨先生（圖右六）曾在公司任職，與公司部分高級工程師及其他同仁一道成立編委會，組織編寫了《中國消防工程手冊》一書，該書面向全國發行，成為消防工程設計、施工、管理等方面具有指導意義的專業書籍。
