Welcome to the website of Baoji Yidong Petroleum Machinery Co., Ltd.
Today is:
CN
Website Map
｜
XML
HOME
ABOUT US
Company Profile
Manager Speech
Company Video
Qualification
Friendly Exchanges
PRODUCTS
Solid Control System
Mud Pump And Accessories
Mud Non Landing System
NEWS
Company News
Technical Q&A
EQUIPMENT
CONTACT US
Position：
Home
>>
ABOUT US
>>
Qualification
Access certificates for major domestic oil fields of PetroChina and Sinopec
[Previous article] Utility Model Patent Certificate
[Previous article] High tech enterprise certificate
