On April 22, 2023, the delegation of experts from the project fracturing equipments of Surgutneftegas visited HAIHUA INDUSTRY GROUP. President Song of HAIHUA INDUSTRY GROUP personally metaccompanied the expert group to witness the joint united test of the project fracturing equipment.

As a traditional business in the upstream drillingproduction of HAIHUA INDUSTRY GROUP, the project pressure lubricator has been well received by the Russian market in terms of technologypracticality in recent years since it broke the technological monopoly of Europethe United States.

Adhering to the excellent traditional spirit of HAIHUA people, we believe that the business of upstream drillingproduction will continue to expanddevelop continuously on the large platform of HAIHUA INDUSTRY GROUP! We have perseveranceconfidence to promote Chinese technologyproducts outside the country!