Zhejiang Zhongdian Saiwei Fluid Control Co., Ltd. was established in 2019 based on the industrial background of China Electronics (a state-owned enterprise), Wenzhous traditional manufacturing industry,and a team with over 20 years of design and manufacturing experienc…

If the sealing place of the valve disc and seat part of the safety valve exceeds the rated range of leakage, it will lead to the loss of the medium, and then damage the sealing material.

As of November 14, Zhongyuan Oilfield put into operation 115 new Wells this year, the cumulative oil production exceeded the planned operation of 5,500 tons, an increase of 25,500 tons over the same period last year, and completed the annual planned production of 110%,…

Since the beginning of this year, Shengli Oilfield has consolidated the resource base, strengthened the benefit development, and continued to promote the increase of storage on production and cost reduction. In the first 7 months, the production of 13.5639 million tons…