Shandong Haodangjia Ocean Development Co., Ltd. (SH:600467) was established in 1993, and was recognized as "the largest marine treasure breeding base in China" by the Chinese Academy of Fishery Sciences in 1 month of 2002. Its production scale and economic benefits have ranked first in the same industry in Shandong Province for many years, and it is a leading enterprise in implementing the strategy of "Shandong by sea". Company/kloc-0 was recognized as a high-tech enterprise by Shandong provincial science and technology commission in 1999, and now it is the scientific research base of Huanghai Fisheries Research Institute of China Academy of Fishery Sciences, the teaching and research base of Qingdao Ocean University, the famous new aquaculture demonstration base of Shandong Province, the improved breeding base of flounder of Shandong Ocean and Fisheries Department, the improved sea cucumber base of Shandong Ocean and Fisheries Department and the scientific research achievements of Institute of Oceanography of Chinese Academy of Sciences. The company now has 76,000 square meters of factory farming workshop, more than 40,000 mu of shallow beach and deep water farming area, and 6,500 mu of ecological intensive cultivation reservoir. The leading products, such as abalone, sea cucumber, flounder, turbot, jellyfish, meretrix meretrix, etc., are all middle and high-grade seafood products with excellent quality and high nutritional value, and have a series of special effects unique to seafood, such as preventing and treating diseases, improving intelligence, building body, softening blood vessels, nourishing and protecting health, expelling toxin and caring skin, and improving immunity. Moreover, the company has formed the integration of seedling raising and cultivation, built a seedling farm with a water body of 6,000 cubic meters, and bred abalone, sea cucumber, scallop, flounder, American red fish, turbot, seaweed and other fry, realizing the self-sufficiency of the company's breeding fry, reducing the breeding risk and production cost, and improving the overall economic benefits.

The quick-frozen instant food series of noodles, meat and vegetables produced by the company's subordinate enterprises has the advantages of simple cooking, convenient eating and reasonable nutrition collocation, which conforms to the fast-paced and efficient urbanization life today and is loved by many city residents. At present, the above-mentioned flour, meat and vegetable foods have passed the ISO9000 international quality system certification, the Japanese Ministry of Agriculture, Forestry and Fisheries registration and the US FDA certification, and become inspection-free products for export to Japan, which have strong competitiveness in the domestic and foreign markets.