Manufacturing of motorcycle engine parts, manufacturing of motor vehicle transmissions and gear boxes, and manufacturing and processing of motor vehicle electronic products; design and manufacturing of automobile and motorcycle molds (including stamping dies, injection molds, molding dies, etc.) and fixtures (welding fixtures, inspection fixtures, etc.); manufacturing of casting and forging blanks for automobiles and motorcycles; manufacturing of key automotive parts (brake assemblies, transmissions, diesel engine turbochargers, filters; electric workers Manufacturing and processing of tools (electric fish knives, electric scissors, electric gardening tools, etc.), garden tools, garden machinery, general gasoline engines and various hardware tools; medical equipment (hand-pushed wheelchairs, electric wheelchairs, manual (electric) hospital beds, electric mobility aids, walkers, toilet chairs, crutches, oxygen concentrators and other supplies for the disabled and the elderly), electric lifts, electric tractors, manufacturing and processing; own factory rental.