Qingdao Add Value Flow Metering Co., Ltd. is proud to announce that the company has officially become a Tier-1 supplier of PetroChina (CNPC), one of China’s largest state-owned oil and gas companies.
This recognition reflects Qingdao Add Value’s comprehensive strength in manufacturing capability, product reliability, technical support, and quality management.

With years of experience in industrial fluid measurement, the company has developed advanced Coriolis Flowmeters and Liquid Density Meter solutions that are widely used in oil & gas, petrochemical, chemical, and energy industries.
The approval as a Tier-1 supplier further confirms the company’s ability to meet strict industrial project requirements and provide stable performance under complex operating conditions.
Qingdao Add Value continues to invest in technology innovation, product optimization, and quality improvement to ensure long-term reliable operation for customers worldwide.
Looking ahead, the company will continue strengthening cooperation with customers in the oil and gas sector and provide more efficient, accurate, and reliable flow measurement solutions for global industrial applications.