With 400+ employees and a 20,000 m² facility, LC Sign delivers high-precision, custom branding solutions to global owners and contractors.GUANGZHOU, China, Dec. 29, 2025 (GLOBE NEWSWIRE) -- With the increasing demand for brand differentiation and architectural integration in the global business environment, LC Sign, the world's leading custom LED sign manufacturing service provider, today shared its unique production philosophy: through a mature, project-driven fully customized manufacturing model, Help glo ...