It was named "Huanghai Shipyard of Shandong Province" and became one of the eight largest fishing boat repair factories in China at that time.
The enterprise also successfully tested the 2227 44.1kw ball-burning diesel engine and 44.1kw wood-hulled sailing machine.
The enterprise has successfully developed the 2225 29.4kw ball-burning diesel engine and 29.4kw wooden hulled sailing boat.