Ruijin Hospital affiliated to Shanghai Jiaotong University School of Medicine is not strict with seafarers' health certificates.

Strict. The physical examination of seafarers' certificates is generally carried out in designated hospitals. Ruijin Hospital affiliated to Shanghai Jiaotong University School of Medicine is very strict. The items examined include: height, weight, blood pressure, facial features, blood drawing (blood sugar, blood routine, liver function, renal function, syphilis, AIDS, hepatitis B surface antigen), electrocardiogram, abdominal B-ultrasound, chest X-ray, urine routine and so on. There are many projects and the investigation is more detailed. After all, working on the ship for a long time is more demanding.