70031990000 under HS Code CAST GLASS AND ROLLED GLASS, IN SHEETS OR PROFILES, WHETHER OR NOT HAVING AN ABSORBENT, REFLECTING OR NON-REFLECTING LAYER, BUT NOT OTHERWISE WORKED - NON-WIRED SHEETS : OTHER: OTHER, 39012000000 under HS Code POLYMERS OF ETHYLENE, IN PRIMARY FORMS POLYETHYLENE HAVING A SPECIFIC GRAVITY OF 0.94 OR MORE, and 39014000000 under HS Code Others were the top imported HS Codes by PHILIPPINES GLASS PROCESSING in 2021.