Ua loaʻa ʻo Shandong Flat Machine&Manufacturing Co., Ltd. i nā makahiki 1970.Ua hoʻoponopono hou ʻia mai ka ʻoihana hui hui sino-haole i loko o ka ʻoihana hoʻopukapuka waiwai hoʻokahi mai ʻOkakopa, 2009.No nā makahiki he ʻelima, ʻo Shandong Flat company kahi mea hoʻolako alakaʻi i nā mea hana lima i nā ʻoihana like ʻole a puni ka honua.