Instructions：
HSE management system audit of taxx oilfield company
Instructions：
Beijing natural gas XX company HSE management system audit and guidance
Instructions：
HSE management system revision of XX natural gas pipeline company, sinopec pipeline branch
Instructions：
Beijing capital airport XX company HSE management system review, revision guidance
Instructions：
Revision and review of XXHSE management system documents for gas production in changqing oilfield branch of CNPC
Instructions：
Special review of equipment and facilities integrity and operating procedures of petrochina XX oilfield branch
Instructions：
HSE management system audit and hidden danger investigation of XX oil production plant of petrochina huabei oilfield branch
Instructions：
Review of HSE management system of petrochina XX petrochemical company
Instructions：
Construction, guidance and acceptance of HSE standardization of petrochina XX petrochemical company
Instructions：
HSE standardization construction, guidance and acceptance inspection and other projects of petrochina XX energy company