When was Ji Yonghai born? Deputy General Manager of Guochuang Gaoxin
Mr. Ji Yonghai: Born in July, 197 1, China, master, senior engineer. He used to be R&D engineer of Koch Materials (China) Company, technical manager, chief engineer and general manager of technical center of Shenzhen Road Ante Asphalt High-tech Co., Ltd. He is currently the deputy general manager of Hubei Guochuang High-tech Materials Co., Ltd. ..