1. gas engineering design qualification: gas design units need to have corresponding gas engineering design qualification, such as Grade B gas engineering design qualification, etc. These qualifications are usually issued by relevant national or local departments to ensure that gas design units have corresponding technical capabilities and experience.
2. Registration qualification: gas design units need to register with relevant administrative departments before they can legally carry out gas design work. Specific registration requirements may vary from region to region, and general requirements include registered capital, staffing and technical conditions.
When selecting a gas design unit, it is recommended to consult relevant local departments or conduct a detailed investigation to ensure that the selected unit has legal qualification and professional ability.