How long does it take for CRRC offer approval?

7 days. According to the official website of CRRC Co., Ltd., the recruitment process starts after the interview, and HR will ask the interviewer to wait for 7 days for the approval process. CRRC Co., Ltd. is an A and H-share listed company formed by the merger of China CNR Corporation Limited and China South Locomotive and Rolling Stock Corporation Limited on the principle of reciprocity with the consent of the State Council and the approval of the State-owned Assets Supervision and Administration Commission of the State Council.