Our Services
Comprehensive manufacturing and engineering services for door hardware solutions
OEM Manufacturing
Full-service OEM manufacturing for door viewers, lock cylinders, and door hardware. We handle everything from mold design to final assembly, with custom packaging and branding to your specifications. Our 5,000m² facility in Zhongshan is equipped with CNC machining, zinc alloy die-casting, and automated production lines.
- Custom mold design and fabrication
- Multi-material production (brass, zinc, aluminum)
- Custom packaging and branding
- Flexible MOQ for OEM projects
Laser Marking
High-precision laser marking services for product branding, model numbers, certification marks, and traceability codes. Our laser systems deliver permanent, wear-resistant markings on metal and plastic surfaces with excellent clarity and positioning accuracy.
- Logo and brand name marking
- Model and serial number engraving
- Certification mark application (UL, CE)
- Barcode and QR code marking
Optical Design & R&D
With over 40 years of optical engineering experience dating back to 1978, our R&D team provides custom optical design services for door viewers and related products. From concept development to prototype testing, we deliver innovative solutions tailored to your requirements.
- Custom lens system design
- Wide-angle and specialty optics
- Prototype development and testing
- Patent and IP development support
Plastic Injection Molding
Optical-grade plastic injection molding services for door viewer lenses, housings, and components. We process engineering-grade polymers with precision tooling to achieve consistent optical clarity and dimensional accuracy in high-volume production runs.
- Optical-grade polymer processing
- Precision mold tooling
- High-volume production capability
- In-house quality inspection
Global Logistics & Export
With our own import and export rights, we provide end-to-end logistics support including freight forwarding, customs documentation, and multi-modal shipping. We serve customers in over 30 countries with reliable delivery schedules.
- Sea freight (FCL/LCL) and air freight
- International express courier service
- Customs documentation and clearance
- Consolidated shipment options
Quality Assurance & Testing
Our ISO9001-certified quality management system includes multi-stage inspection from incoming materials to finished products. Fireproof products undergo additional testing to maintain UL certification compliance.
- Incoming material inspection
- In-process quality control
- Final product testing and audit
- UL and CE compliance verification