On 17 March, 2023, OPT join the china cementing technology conference. This national cementing conference is held annually. But since Covid-19, the 2022 meeting was delayed to 2023. About 50 cementing service company and related suppliers join this meeting, include university, lab equipment company, cementing chemical company and down hole tools company.

The meeting presented the technical requirement of current cementing market and new cementing technology.