Ropes & Gray has advised Coller Capital, and Gibson Dunn & Crutcher has advised Hahn & Company, on a joint $1.5 billion investment into South Korea’s largest cement company, Ssangyong C&E.

The deal is believed to be the largest GP-led transaction in Asia. The investment is expected to strengthen the Ssangyong’s leading position amid ongoing market consolidation, Coller Capital said in a statement.

The Gibson Dunn team was led by partners Albert Cho and Brian Schwarzwalder in Hong Kong, while Ropes & Gray’s team was led by partners Isabel Dische and Dan Kolb in New York, Vincent Ip and Oliver Nip in Hong Kong, Lee Jaewoo in Seoul, and Brendan Hanifin in Chicago.