OEM Turnkey Door Closer Manufacturing Solutions | Boomster

Boomster provides end-to-end OEM manufacturing solutions for door closers, streamlining your supply chain with precision and efficiency. With over 30 years of experience, we specialize in full-spectrum turnkey services—from product engineering and component sourcing to mechanical assembly, testing, and packaging. Our solutions are tailored for global door hardware brands, security system integrators, and commercial builders seeking ready-to-install products that meet international performance standards. Boomster OEM Advantages True Turnkey Manufacturing: One partner from prototype to final shipment—sourcing, machining, and testing all handled in-house. ISO-Certified Quality Systems: Every unit undergoes rigorous inspection using industry-standard testing jigs and measurement protocols. Flexible Production Scale: Whether you require low-volume specialty closers or high-volume runs for commercial contracts, we scale efficiently without sacrificing lead time. Confidential & Secure: We safeguard your intellectual property through strict confidentiality agreements and secure design protocols. Our Turnkey Service Covers: Component Sourcing & Quality Materials - We procure high-quality hydraulic cylinders, springs, valves, arms, and cast housings from trusted suppliers to ensure product consistency and durability. Mechanical & Sub-Assembly Services - Boomster handles the full assembly process—press-fitted arms, sealed hydraulic chambers, adjustment screws, and end-cap integration—under strict quality control. Packaging & Global Delivery - We provide private-label packaging, instruction manuals, barcode labeling, and coordinated shipping logistics, delivering a retail- or project-ready solution. High-tolerance CNC machined parts with ±0.005mm precision. Boomster offers turning, milling, drilling, and prototyping-to-mass production for all industries.