| Series | Security front entry door |
| Brand | DERCHI |
| Size | Customized Size |
| Color | As picture or Customized |
| Design | Free Customized ; OEM Customized |
| Frame Material | 1.8 Zinc alloy |
| Lower Gear | 304 stainless steel + 1.8 Magnesium alloy steel sheet |
| Front Panel | 4mm+4mm Aviation aluminum panels covered with carvings |
| Rear Panel | 12mm oriented strand board |
| Sealing System | EPDM Rubber sealing strip |
| Filler | Polyurethane foam board |
| Application | Apartment / Villa / Hotel / Residential project |
A: Yes, our factory covers an area of 70,000 m² and has over 500 employees.
A: We supply complete window and door systems (including profiles, hardware, accessories, glass) as well as finished products ready for immediate installation.
A: The price is customized based on specific project requirements. Please provide: 1) Shop drawings or window schedule indicating dimensions, quantity, and type; 2) Frame color; 3) Type and thickness of glass (single, double, laminated, Low-E, clear, tinted, reflective, with/without Argon).
A: 25-35 days after the deposit is received and production drawings are confirmed.
A: A 10-year quality warranty is provided, covering non-fading frames, non-peeling coatings, and properly operating hardware and accessories under correct usage.
A: We offer full engineering assistance as well as on-site supervision and technical guidance for window and door installation.