Ngā tiwhikete e hiahiatia ana mō te umanga takirere.

1. Tiwhikete pūnaha kounga ISO 9001

2. Tiwhikete Pūnaha Whakahaere Taiao ISO 14001

3.Tiwhikete Pūnaha Whakahaere Hauora me te Haumaru Mahi OHSAS18000

4. Tiwhikete EU CE, te aratohu PED mō te oko pēhanga

5. CU-TR Uniana Tikanga

6.API（Te Whare Hinu o Amerika）Tiwhikete

7.Tiwhikete Taumata Pono Haumaru SIL

8. Tiwhikete Whakamātautau Ahi

9.Tukunga Rerenga Tiwhikete Whakamātautau

10. Tiwhikete ātete pahūtanga ATEX

11. Whakamātautau taumata tiakitanga IP (PARURUTANGA KI TE URUTANGA)

12. Raihana hanga taputapu motuhake (tiwhikete TS)

13. Raihana tohu hanga me te hoahoa taputapu pēhanga karihi