Nkọwa dị mkpirikpi:

Atụmatụ:
1) Ike na-agbaji dị elu
2) Ezi mgbanwe
3) Nnukwu okpomọkụ na-eguzogide
4) Nnukwu nguzogide corrosion
5) Mgbochi ike ọgwụgwụ
6) Ogologo ndụ ọrụ
7) Ihe: AISI304, AISI304L, AISI316 ma ọ bụ SUS304, SUS304L ma ọ bụ SUS316
8) Standard: GB/T8918-1996, GB1102-74, SC143-86 na ISO, BS, DIN, JIS, API, RP-W-410D wdg
9) Nkọwa na-abụghị magnetik, PVC, nylon ma ọ bụ TPE mkpuchi dịkwa
10) Eji maka minging, wooding, cableway, winch.