Akwụkwọ

PetroChina ihe omuma ohuru ohuru

XiPai akwụkwọ ikike azụmahịa

AAA Ebe E Si Nweta akwụkwọ

Akwụkwọ Api-6a

Akwụkwọ Api-6c

Akwụkwọ Api-6d

Akwụkwọ Sipai maka valvụ bọl

Akwụkwọ Sipai maka valvụ bọl

Jiangsu ama ama ama

AAA asambodo njikwa njikwa

Akwụkwọ nkwado nke nchekwa

20211216ce akwụkwọ

SIL asambodo nke actuator

SIL asambodo nke actuator

Akwụkwọ Api-q1