We Are Custom Fire Doors 10 Years Of Experience

ISO9001-certified Longzhengsheng, with a 33,333㎡ base, offers custom fire doors for the Middle East. We ensure SASO/ESMA compliance and “Quality is Life” via export-ready, bespoke safety solutions.

Our certification covers the R&D and production of fire-rated doors, ensuring our quality management meets the rigorous standards required for large-scale international infrastructure.

Our independent export rights facilitate seamless international logistics and customs clearance, specifically optimized for efficient, direct delivery to Middle Eastern markets.

Our Production Workshop & Work Environment

Our 33,333㎡ modern production base is equipped with automated manufacturing lines and precision testing tools, creating a standardized, safe, and efficient work environment for our skilled team. Following ISO 9001 standards, we strictly control every production link to ensure each industrial and fire door meets global safety requirements. Our organized workflows support both mass production and customized orders, delivering reliable, high-quality products to clients worldwide.