Recently, the leaders of CNPC visited Mingtong Valve factory, mainly to understand the cooperation in the domestic market and the quality control of enterprise management technology. This visit laid a good foundation for the close cooperation between the factory and the domestic "three barrels of oil".

After the visit, the leaders of CNPC gave full affirmation to the technical level of products, on-site management and quality control, and hoped to increase cooperation in the future!​