Qi Zhang is a technical specialist at Apple in Tianjin with over 10 years of experience in process simulation and DCS system development. He received a bachelor's degree in chemical engineering from Tianjin University and training in process modeling software. Zhang has led numerous overseas oil refinery projects for Schneider Electric and Invensys, developing process models and integrating DCS control systems on schedule and to customer satisfaction. He is proficient in multiple process simulation and DCS tools.