Expert of the Bureau of the Construction of the Commercial Mart at Pukow. At the same time he was a teacher at the College for Naval Officers at Nanking. In 1914 he became assistant engineer of the Nanking-Changsha Railway. In 1915 he headed the survey party for the Keemen-Tenchi section. In 1917 be was appointed senior assistant engineer of the Chuchow-Chow Railway, and while in its service, was chief of party. In 1918 he was appointed Directorate-General of Flood Relief and Conservancy. Three months later he became assistant engineer-in-charge of survey under the Chihli River Commission with its headquarters at Tientsn. In May 1920 he resignned this position in order to accept the appointment of engineer-in-chief to the directorate-general for the construction of the Hulutao port.
