LLC “VNIIsertifikaciya” carries out a voluntary GOST certification for the production:
- Petroleum equipment
- Pipes of oil assortment
- Equipment for oil and chemical engineering
- Industrial pipeline armature
The registration procedures of obligatory or voluntary certification are almost the same. There is only one difference, that at the voluntary certification the conformity of the production to the standard requirements, rules and regulation, technical documentation on demand of a producer, provider or customer are confirmed.
Documents which are necessary for the voluntary certification