petrogears

Shanghai Petrogears Co. , Ltd. was established in March 2007 with registered capital of 50.1 millionyuan, is a set of oil machinery and equipment product design and development, production and processing, product sales and after-sales service as one of the…

The float valve in oil drilling is a one-way valve, whose main function is to prevent drilling fluid from flowing back inside the drill pipe, thereby protecting drilling equipment and ensuring the safety of drilling operations. The following are several…