Sin Lian Seng is a Singapore-based industrial hardware distributor and solar energy services provider. The company's fastener business provides hardware such as bolts, nuts, washers, and screws to the construction, maritime, and manufacturing sectors. Sin Lian Seng buys finished fasteners from suppliers in China and warehouses them in Singapore for distribution to project-based contractors and wholesale customers. The company also provides solar photovoltaic (Solar PV) engineering, procurement, and construction (EPC) services through its Lumenx Energy subsidiary. Lumenx Energy delivers turnkey rooftop solar installations for commercial and industrial clients, managing the full project lifecycle from design and procurement to grid connection. Sin Lian Seng uses an asset-light model for solar projects, acting as a project manager while outsourcing installation and construction work to third-party subcontractors. Sin Lian Seng recognizes fastener revenue upon delivery and solar EPC revenue over time based on project milestones. The company intends to expand its fastener product range and scale its solar operations into Southeast Asia and U.S. markets. Sin Lian Seng is a Cayman Islands holding company that conducts all operations through Singapore-based subsidiaries.