high performance
Tianjin Longjia security door introduces European technical equipment, which makes the production of indoor doors automatic, standardized, scientific and precise. Strict quality management norms make products meet national quality standards.
quality assurance
What is the quality of Tianjin Longjia security door? The products produced by the company have been recognized by the international quality system, which ensures the quality, shape, function and after-sales service of the products.
Qiangda after-sales service
Insurance companies underwrite product liability insurance. 1 year warranty, lifelong maintenance, 24-hour family hotline and strong after-sales service guarantee.
Multiple functions
Fire prevention, theft prevention, sound insulation and heat preservation, with complete functions. Patented hinge, with extraordinary load bearing, opening angle above 120 degrees, easy to use. Embedded doorbell makes the door body more concise and generous.
personalized customization
Customized measuring ruler, seamless, not smashing the wall, fast delivery, maintaining your decoration style. The new product introduces European humanistic design style, reflecting Bavarian style.
Credibility guarantee
Famous trademark, credit guarantee. Continue to improve, the first security door.