Medical equipment shipments for the 4 categories to Singapore consisted of (Masks, Digital Thermometers, protective equipment, and respirators) in large quantities (volumes more than 100kg) requesting that recipients in Singapore fill out the following forms: https://go.gov sg/HSAExemptionOrderNotification to be recorded.
List of items that are not permitted / need permission to Singapore: https://bit.ly/2FIlGei