English
Español
Français
Русский язык
Italiano
بالعربية
Oil Pipeline spare parts exportor
Quality First Customer First
EN
ES
FR
RU
IT
AR
Nut Material: ASTM A194 7
Surface Finishing: BlackSize: 1Inch
Standard: GB6170
Peculiarity:
1.Many Specifications
2.Different Performance Uses
3.High Standardization, Serialization and Generalization