OverviewJianlai Floor Spring is a professional-grade floor spring manufacturer specializing in heavy-duty door hardware for commercial and residential glass door applications. The JL-7135, JL-7145, and JL-7300 models share a unified square spindle design, making them fully compatible with standard p
OverviewAs a core hydraulic door hardware fitting widely used in modern architectural entrance systems, theJianlai JL-84 Floor Spring is a globally universal heavy-duty floor hinge designed for high-frequency commercial door scenarios. Built with high-precision hydraulic transmission technology and
Elevate Your Space with Smart, Secure, and Seamless AccessAt Jianlai, we believe that the way a door opens defines the experience of every person who walks through it. Our Automatic Sensor Door System combines heavy-duty modern double-open construction with cutting-edge access technology — deliverin
Your One-Stop Solution for Versatile Glass Handling NeedsAt Jianlai, we understand that efficiency and reliability are paramount in glass installation, transportation, and DIY projects. That’s why we’ve engineered a complete range of glass suction cups—available in single, double, triple, and heavy-