What are the listed companies related to aquaculture?

1、? Guolian Aquatic Products Guangdong: Aquaculture.

Founded in 200 1, the company is located in Zhanjiang City, Guangdong Province, the southernmost part of Chinese mainland. Now it has become a large-scale aquatic group enterprise integrating seedling, breeding, feed, processing, sales and scientific research and development.

2. Great Lakes in Hunan: Aquaculture.

Dahushui Aquaculture Co., Ltd. was established in 1999 1 and listed on the Shanghai Stock Exchange in June 2000 12. It is the only company listed by capitalization of water rights and interests in China, and is known as "the first freshwater aquaculture company in China".

3. Pearl culture.

Zhejiang Shanxiahu Pearl Group Co., Ltd. (stock code: 002 173) is the only national key leading enterprise in the pearl industry, which integrates pearl breeding, processing, design, sales, import and export, scientific research and medical care development, and has been recognized by eight national ministries and commissions.

4. Oriental Ocean Yantai: seafood processing and breeding.

Shandong Oriental Ocean Science and Technology Co., Ltd. was approved by the Shandong Provincial Economic System Reform Office Lu Tigai [20065438+0] No.49 Letter on Agreeing to Establish Shandong Oriental Ocean Science and Technology Co., Ltd., and the Shandong Provincial People's Government Lu Zi [20065438+0] No.61Certificate of Approval of Shandong Province Co., Ltd.

5. Initiate international freshwater aquaculture and offshore fishing.

Shanghai Ocean Fishing Co., Ltd., a wholly-owned subsidiary of Shanghai Kaichuang Ocean Fishing Co., Ltd. 100% and the former Zhejiang Huali Technology Co., Ltd., is a company listed on the Shanghai Stock Exchange after major restructuring.

Matters needing attention in aquaculture:

1. Adjust the water quality, quickly improve the ecological environment at the bottom of the aquaculture pond and improve immunity; Obviously reducing the stress response of aquatic organisms.

2. Eliminate and degrade excessive pollution of heavy metals and toxic elements (mercury, arsenic, aluminum, etc.). The water in the aquaculture pond causes industrial wastewater to be discharged into the surrounding waters, creating a good water quality environment.

3. Reduce drug residues in fish, shrimp, crabs and shellfish. Coordinate the balanced absorption of amino acids by organisms, make them bright in color and delicious in meat, and improve the quality of products.