| Enterprises | Policy-support level | Subsidy disclosure status | Qualification/certification evidence | Business size | Data reliability |
| Haibo Electric | High | Not publicly disclosed; precise subsidy value not retained | National SRDI “little giant”; Shandong provincial manufacturing single champion; high-tech enterprise | 320 employees (estimated) | Public + interview + estimate |
| Yantai Longgang Pump Industry | Medium | Not publicly disclosed | Pump-industry qualification and public business information | 244 employees | Public + estimate |
| Durable Watches | High | Not publicly disclosed | National science and technology projects, standard participation, and R&D platforms | 380 employees (estimated) | Public + estimate |
| Boan Bio | High | Not publicly disclosed | Listed-company disclosure and biomedical qualification evidence | 657 employees | Public annual report |
| Blue Sky Titanium | High | Not publicly disclosed | Aerospace-material cooperation and qualification evidence | 260 employees (estimated) | Public + estimate |
| Zhenghai Bio | High | Not publicly disclosed | Listed-company disclosure and medical-device qualification evidence | 375 employees | Public annual report |