Celulosa Arauco y Constitucion SA (Arauco), a subsidiary of Antarchile SA, is a manufacturer of hardwood, softwood and other wood products. It is the producer of market pulp, bleached and unbleached softwood kraft pulp, bleached hardwood kraft pulp, dissolving and fluff pulp, and panels in terms of production capacity.

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Arauco focuses on research and development to enhance the productivity of its forest and industrial resources. The company has focused on innovative technologies in the Forestry, Pulp, and Wood Products business segments. Significant investments have been made in new processes and technologies, including genome editing of forest species and improvements in pulp mills to reduce environmental footprints. It has also collaborated with academic institutions on environmental and ecological research projects, contributing to sustainable practices and the fulfillment of Sustainable Development Goals (SDGs). The company has one R&D center, Bioforest. It has a major technology alliance with TreeCo, a startup affiliated with North Carolina State University, specializing in genetic editing through CRISPR technology. The R&D unit of the company is Bioforest, which is responsible for advancing applied research in forestry. Bioforest focuses on generating and applying scientific knowledge to enhance sustainability, competitiveness, and international growth. It collaborates with universities, startups, and technology centers to strengthen the resilience of forest assets and develop industrial solutions. Key initiatives include the GloNi project, development of dissolving pulp, clonal silviculture, genomic selection, and strategic partnerships like the one with TreeCo for genetic editing. The company is also involved in the Synfuels Biobío project, aiming to produce carbon-neutral synthetic fuels. In FY2025, the company incurred the expenses of EUR43.2 million in R&D activities, which as a percentage of revenue stood at 0.7%.