Awọn iwe-ẹri ti a beere fun ile-iṣẹ àtọwọdá.

1. Ijẹrisi eto didara ISO 9001

2. Ijẹrisi Eto Iṣakoso Ayika ISO 14001

3.OHSAS18000 Ilera Iṣẹ iṣe ati Iwe-ẹri Eto Iṣakoso Abo

4.EU CE iwe-ẹri, titẹ agbara PED itọnisọna

5.CU-TR kọsitọmu Union

6.API(Amẹrika Petroleum Institute) Iwe-ẹri

7.Ijẹrisi Ipele Iduroṣinṣin Aabo SIL

8.Fire Igbeyewo Ijẹrisi

9.Ìtújáde ìsáǹsá Ijẹrisi Idanwo

10.ATEX bugbamu ẹri iwe eri

11.IP Idaabobo ipele igbeyewo (INGRESS PROTECTION)

12.Special ẹrọ iwe-ašẹ ẹrọ (TS iwe eri)

13.Nuclear titẹ ẹrọ ẹrọ ati oniru qualification iwe-ašẹ