What product does HS code 01.03 refer to?

HS 01.03 falls under Chapter 01 (Live animals), heading 01.0 (Live swine). Specifically: Live swine..

What documents are required to import HS 01.03 into Philippines?

Typically required: commercial invoice, packing list, bill of lading / airway bill, certificate of origin (for preferential rates). Confirm latest requirements with Bureau of Customs Philippines.

How to calculate landed cost for importing HS 01.03 into Philippines?

Use CIF (goods + freight + insurance) × tariff rate = import duty. Then add VAT/GST for import-stage taxes. Treayo provides an online calculator at https://treayo.cn/en/calculator/philippines.