6 families.

The specific sea cucumber breeding bases in Xingcheng City include:

1. The location of Xingbao Sea Cucumber Breeding Farm is located near Binhai Avenue;

2. The location of Lu Wenxiu Sea Cucumber Breeding Base Located in Suizhong County, Huludao City, Liaoning Province;

3. Sun Zhiguo’s sea cucumber breeding base is located on the seaside of Liugu River in Shandong Village, Suizhong County, Huludao City, Liaoning Province;

4. The urban Haili fishery farm is located 50 meters west of Binhai Avenue;

5. The Xingcheng Lijun fishery farm is located on the sandy line of Xingcheng City, Huludao City, Liaoning Province.

The above is for reference only and there is no authoritative data.