Our tapered roller bearing of P4 grade with diameter runout of 0.002mm has been successfully delivered offline.

Imported equivalent bearings has been put into mass production and delivery.

Personalized process manufacturing technology : backing, cement vertical mill, high-speed wire mill, aluminum foil mill, copper foil mill, leveler, calendar and vertical roll mill.

It is authorized by China SKF to repair cylindrical roller bearing, taper roller bearing and double row spherical roller bearings.

HYJG Introduced roughness and profile detection equipment from Germany.

The production line of bainite quenching in thermal protective atmosphere was started.

Completion of high speed precision bearing transformation project.

The company moved to Wawo Industrial Park.

Passed ISO9001:2000 quality system certification.

Started to cooperate with French national oil company to produce double row spherical roller bearing.

Started to cooperate with German AWT, Li-BE to produce cylindrical roller bearing, taper roller bearing and spherical roller bearings.