Rongcheng Haizhibao Aquaculture Co., Ltd. is located in Rongcheng City, Shandong Province, the easternmost part of Jiaodong. It was established by Shandong Haizhibao Marine Technology Co., Ltd. in 2008 with a registered capital of 30 million yuan. It has more than 300 employees and a sea area of 504 hectares.

It is a company specializing in deep-sea small kelp breeding research and large-scale breeding. It is the raw material production base of "Haizhibao" deep-sea small kelp. The deep-sea small kelp grows in the open deep sea area at the east end of the Jiaodong Peninsula at 37°N latitude. The water depth is 30-40 meters, the sea is deep and the current is rapid, the seawater exchange capacity and self-purification ability are strong, the water quality is clean and pollution-free. The current status of the water environment in the place of production meets the requirements of NY 5052-2001 "Water Quality for Marine Aquaculture of Non-polluted Food". In 2010, the company successfully obtained the certification of the origin of pollution-free agricultural products and the product certification. In 2012, it was awarded "Aquatic Healthy Breeding Demonstration Farm" by the Ministry of Agriculture.