Low-carbon sustainable products

Asia Cement reduces the clinker ratio, uses supplementary cementitious materials and develops low-carbon concrete to help reduce carbon emissions over the life cycle of buildings. In 2025, low-carbon cement sales reached 79,721 metric tons, up 62% from 2024.

Low-Carbon Cement R&D and Production

Asia Cement began developing masonry cement in 2009 and commenced mass production in 2011. It developed Portland limestone cement in 2022. In 2025, production reached 59,260 metric tons of Portland limestone cement and 21,100 metric tons of masonry cement. The two products achieved a combined carbon reduction of 6,746 metric tons of CO₂e.

GCCA Low-Carbon Product Ratings

Based on a self-assessment using current product carbon footprint data, Asia Cement’s Portland cement, Portland limestone cement and masonry cement have reached GCCA Low-Carbon Cement Grade F; the carbon-emissions performance of masonry cement is approaching Grade E. Low-carbon concrete mixes produced by subsidiary Ya Tung Ready-Mixed Concrete have reached GCCA Low-Carbon Concrete Grade D.

Product Carbon Footprint Records

All Asia Cement cement products have obtained ISO 14067 carbon footprint verification. The Company obtained carbon label certificates from Taiwan’s Ministry of Environment in April 2025. In 2025, the carbon footprint of bulk Portland limestone cement was 733.33 kg CO₂e/metric ton, down 16% from 2022. The reported figure for bulk masonry cement was 752.59 kg CO₂e/metric ton; this figure covers 2022, as indicated by the asterisk in the report.

Low-Carbon Concrete and Value-Chain Applications

In 2025, Asia Cement and its partners advanced 22 low-carbon building materials projects. Low-carbon concrete sales reached 89,226 cubic meters, up 133% from 2024; cumulative sales reached 127,518 cubic meters. These applications helped customers achieve a cumulative carbon reduction of 12,752 metric tons of CO₂e, averaging 100 kg CO₂e per cubic meter.