Acquired Man Cheong Metals and Building Materials Company Limited and Specialist Products Limited to strengthen OYH’s channel presence and project service capabilities in Hong Kong and surrounding markets. Completed the acquisition of Construmart S.A., further expanding OYH’s retail and distribution network in Latin America.

Expanded production capabilities with facilities established in the United States, Saudi Arabia, Malaysia, and other key markets.

Secured patent certifications for multiple products across various countries. 

OYH inaugurated the Global Excellence R&D Center for Waterproof Coatings in North America.

OYH was awarded the China Quality Award.

OYH established OYH Malaysia Sdn. Bhd. in Shah Alam, Selangor, Malaysia.

OYH was approved to launch a State Key Laboratory for Special Functional Waterproof Materials and established its first North American subsidiary.

OYH Expanded into Latin America, providing standardized construction systems customized for local markets.

OYH expanded its market reach by introducing its products to European Union countries.

The "OYH 1998-2008 Corporate Social Responsibility Report" was released. At the same year, the group achieved EU 'CE' certification, enabling product entry into European markets.

OYH (Stock Code: 002271) was officially listed on the Shenzhen Stock Exchange and expanded its market presence to Southeast Asia.

OYH secured the waterproofing contracts for iconic projects such as the Water Cube and the Bird's Nest, contributing to the 'New Beijing, New Olympics' initiative.

OYH introduced the modified bitumen waterproofing membrane production line from Reichel & Drews (U.S.).

The company was founded.