Panjin GUANGHE crab industry co., LTD, restructuring operations in 1999 run so far, net assets from 1.53 million yuan to 70.46 million yuan. The "DONG" brand ecological juvenile crab annual output of 50000 kilograms, domestic juvenile crab market share in the first place. The enterprise of liaoning province was identified as the industrialization of agriculture leading enterprises and high-tech enterprises; Company research and development center was identified as postdoctoral scientific research base in liaoning province. Company in the crabs, such as jellyfish, Mercenaria, meretrix, Special production has become a leading enterprise in domestic aquatic fingerlings . On rotifers the final continuous high yield cultivation has been the leading scientific and technological achievements in the world.