Huayou Hanwei was awarded the "Outstanding Construction Unit" certificate for the 2025 Phase II major maintenance of CNOOC Huizhou Petrochemical - Professionalism builds quality, strength earns recognition.

Recently, Tianjin Huayou Huanwei Technology Development Co., Ltd. (hereinafter referred to as "Huayou Huanwei") received an honorary certificate from CNOOC Huizhou Petrochemical Co., Ltd.

Huayou Hanwei was awarded the "Outstanding Award for Excellent Collaborative Quality Service" by ExxonMobil (Huizhou) Chemical Plant - Professional Support for the Safe Startup of International Chemical Giants

Tuha Oilfield: Accelerate Technological Innovation to Reduce Drilling and Fracturing Costs

Common Faults and Elimination Methods of Pneumatic Butterfly Valves

I. Testing and Adjustment of Pneumatic Butterfly Valves 1. Before leaving the factory, all components of butterfly valves, whether manual, pneumatic, hydraulic or electric,

Efficient Production Enhancement of Coalbed Methane in Huabei Oilfield

Jilin Oilfield's "Digital Sentinel" Safeguards Oil and Gas Production

The handling methods for faults in control valves

Pneumatic control valves use compressed air as the power source, a cylinder as the actuator, and drive the valve with the help of valve positioners,

Lanzhou Petrochemical's jet fuel output has reached a record high

​On May 21st, in the centralized control room of the refining area of Lanzhou Petrochemical, the internal line operators of the 5 million tons/year atmospheric and vacuum distillation unit were

Faults and maintenance of Wafer electric Butterfly valves

​If you do not carefully check the usage condition and performance specifications of the wafer-type electric butterfly valve before installation, the wafer-type electric

Dagang Oilfield has independently developed a large model to build a new intelligent ecosystem

As of April 21st, the Port Intelligence application large model of Dagang Oilfield has been online for three months, with an average daily call volume of over 10,000 times,