The enterprise successfully developed 17 GY405 350-ton refrigerated transport vessels, which met the needs of military and fishery production.
During this period, a total of 14 fishing vessels of type 815 294kw lighted purse seiner, 2 hybrid fishing vessels of type HC816 441kw and 14 sets of type 6300 294Kw diesel engines were designed and produced.
The enterprise succeeded in trial production of SD813 99.2kw steel trawler, which opened the history of building steel vessels, and a total of 44 vessels were built.
The enterprise succeeded in the trial production of HC813 58.8kw iron and wood combination trawler, and built a total of 18 vessels.
The company started to develop the 2105 14.7kw four-stroke diesel engine. From 1967, when production began, to 1994, when production ceased, a total of 10,765 units were built, amounting to 158,245.5kw.
It was named "Huanghai Shipyard of Shandong Province" and became one of the eight largest fishing boat repair factories in China at that time.