Just found one company providing a list of references, where they were involved in a building of a refinery. Going into details: they built the restaurant of the refinery.
Only the refinery itself does not count as a reference. Check it carefully.
Keep up good work!
Arpad
How shall we check the compliance of a used installation in case
– Hot surfaces – Flames and hot gases (including hot particles) –
Article 13 Final provisions 1. Member States shall bring into force the
China – CNEx certification is required in order to gain access for
arpadveress 
