Huanjie introduction Looking for machinery parts processing business Design Optimization for the Thin-Walled Joint Thread of a Coring Tool Used for Deep Boreholes Our company has stocked P550 Non-magnetic stabilizer and Non-magnetic short drill collar for sale Looking for machinery parts processing business Our company participates in the 49th OTC in Houston We will participate in the 49th OTC in Houston from April 30-May 3. We will participate in the NEFTEGAZ 2018 in Moscow from April 16-19 CIPPE 2018 Ended Today The next day of the CIPPE Our company takes part in the 18th CIPPE in Beijing from March 27-29 Our company will participate in OTC in Houston
