Is there an authoritative certificate about it industry in China? What are they?

Red Hat Enterprise Architect (RHCA) course mainly provides in-depth practical training for senior Linux system administrators who are responsible for deploying and managing many systems in a large enterprise environment. Red Hat Certified Architect (RHCA) is the latest top certification issued by Red Hat Company after the certification of Red Hat Certified Technician (RHCT) and Red Hat Certified Engineer (RHCE), and it is also recognized as the most popular and mature certification in Linux field.

RHCE certification training

Red Hat Certified Engineer (RHCE) and Red Hat Certified Technician (RHCT) are test items based on practical operation ability, which mainly examine the practical ability of candidates in the field system. Other training programs generally teach students how to answer multiple-choice questions, not how to operate a real system. Red Hat training and testing pay great attention to cultivating practical ability.