Your trusted China-based industrial door manufacturing partner
Weifang Longmen Building Materials Technology Co., Ltd. is a professional manufacturer specializing in industrial doors, commercial doors, and safety protection equipment. Our main product lines include sectional overhead doors, rolling shutter doors, high-speed doors, and guardrails, widely used in industrial plants, logistics warehouses, commercial parking lots, and municipal engineering projects.
With a team of 200+ employees and multiple automated production lines, we are not a trading company — we are the factory. This means factory-direct pricing, full control over quality, and the flexibility to customize every order to your exact specifications.
Modern production facility with automated roll-forming lines, CNC cutting, and in-house powder coating.
Dedicated engineering team for custom door solutions. We support project-specific configurations and non-standard sizes.
15+ years exporting to 30+ countries. Expert in international logistics, customs documentation, and compliance.
ISO 9001 quality management system. Every door is pre-assembled and tested before shipping.
Contact our team today to discuss your project requirements.
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