PetroChina huahana hoʻokolohua kumu
Laikini ʻoihana CEPAI
Palapala hōʻaiʻē AAA
Palapala API-6A
Palapala API-6C
Palapala API-6D
Palapala CEPAI no ka pahu kinipopo
Palapala CEPAI no ka pahu kinipopo
ʻO nā huahana brand kaulana ʻo Jiangsu
Palapala AAA o ka ʻōnaehana hoʻokele ana
Palapala hōʻoia palekana
20211216CE palapala
SIL palapala hōʻoia o ka actuator
SIL palapala hōʻoia o ka actuator
Palapala API-Q1