Purchase the medicine, supplements, and medical supplies. Searching for new vendors to negotiate for the best price, long payment term, and fast delivery. Keeping good relations with the regular vendor. Product using forecast, reorder point, and remaining stock checking. Prepare relevant documents for purchasing, recheck payment due date with accountant,to issue invoices, credit notes, and receipts. Coordinate with the Doctor, Pharmacist, Nurse, and Accountant Department. To do all back office administrative jobs such as contact technicians for any equipment that needs to be repaired, and sending accountant documents to vendor. All assign from the owner, doctor, and office manager