Tangshan Purin Haizhen Breeding Co., Ltd. is currently the largest seawater industrial aquaculture enterprise with the highest construction standard in Hebei Province, a key leading enterprise in agricultural industrialization in Hebei Province, a raw flounder breeding farm in Hebei Province, a provincial and municipal level technology demonstration park, Production base of pollution-free aquatic products in Hebei Province. It has a high-standard factory breeding workshop of 57,000 square meters, and open-air breeding covers an area of 10,700 mu, which is state-owned land.