LANZHOU, July 3 (Xinhua) — Wearing a white lab coat and a face mask, Chadian man Tidjani Daoussa follows the instructions of a Chinese technician as he learns to operate refining and hydrogen production equipment.
Daoussa, 32, is an employee at N’Djamena Refinery Co., Ltd., a Chad-based joint venture between China National Petroleum Corporation (CNPC) and Chad’s state-owned oil company. He joined the company in