China Petroleum and Natural Gas Corporation, China National Nuclear Corporation Limited.

1. China Petroleum Corporation: The branch of China Petroleum Corporation (China Petroleum) in Xi 'an will recruit environmental design professionals to support the business development of China Petroleum Corporation in the oil and gas field.

2. China National Nuclear Corporation: Xi 'an Branch of China National Nuclear Corporation (China Nuclear Construction) also recruits people with environmental design skills to promote the design and construction of nuclear facilities.