Seng Heng Fabrication generally refers to the valued-added process of constructing structures out of various raw materials, primarily metal. Seng Heng undertakes engineering and fabrication services to meet the needs of its customers including onshore fabrication for products such as pipe and valve systems, skids and other steel structures such as hand rails, extensions, container, basket, and etc.

Seng Heng currently has one warehouses name Seng Heng Warehouse which located at Miri, Sarawak.