Corner locking machine

Lebulang (Shandong Lebulang Precision Machinery Co., Ltd.) is a professional integrated industry and trade supplier specializing in door and window machinery, located in Dezhou, Shandong Province. We focus on the R&D, production and wholesale of high-precision CNC door and window processing equipment for years. Our core product CNC double-head cutting saw for 45° and 90° cutting features stable performance, high cutting accuracy and cost-effectiveness, enjoying great market competitiveness. We support customized processing, bulk order procurement and one-stop machinery solution services, and sincerely hope to establish long-term stable cooperative relations with global door and window manufacturers.

.This PVC water slot milling machine​ is purpose-built for UPVC window and door profiles, delivering precise, clean, and consistent drainage slot milling with pneumatic-controlled operation. Designed with a rigid frame, adjustable slot positioning, and user-friendly controls, it ensures high cutting accuracy, stable performance, and long-term durability. A cost-effective and reliable solution for PVC profile fabrication workshops, it helps manufacturers improve production efficiency while maintaining superior window performance.

Precision CNC Aluminum Spacer Bending Machine​ is a high-accuracy automatic equipment designed for bending aluminum spacer bars (6–27mm) into seamless frames for insulating glass units (IGU). Featuring servo-driven feeding, PLC control, and a user-friendly touch screen, it delivers ±0.1mm bending accuracy and supports continuous production of rectangles, triangles, and arches. Ideal for double glazing and IG glass manufacturers seeking efficiency and quality

The Dual-Motor Thermal Break Knurling Strip Inserting Machine is a professional automated processing device designed specifically for aluminum thermal break profile production. Equipped with independent dual-motor drive system, The machine integrates precision knurling and strip inserting functions in one unit, effectively completing tooth rolling and heat insulation strip embedding for aluminum alloy profiles. It solves the problems of low efficiency, uneven knurling and loose strip fitting in traditional single-motor equipment. Widely applicable to heat-insulated aluminum window and door profiles, curtain wall profiles and industrial thermal break aluminum profiles, it is core processing equipment for aluminum profile thermal insulation production lines.Lebulang brand is china famous manufature.

Engineered for precision and productivity, our CNC Glass Cutting Machine for Insulating Glass​ combines servo-driven accuracy with automatic loading and intelligent nesting software to maximize yield and minimize waste. Designed for IG unit, double glazing, and architectural glass production, it supports custom configurations including voltage, cutting size, and software language. Backed by strict quality control, CE certification, and comprehensive after-sales support, this machine offers glass manufacturers a cost-effective, high-performance cutting solution direct from the factory.

Our Lebulang brand 250W Six Blades Heavy End Milling Machine Aluminum Curtain Wall is a professional semi-automatic solution for precision end face, tenon, and mullion milling of aluminum curtain wall, window, and door profiles. Designed for high efficiency and accurate joint preparation, it features 6 independent cutters (φ250mm) driven by 6 separate motors, enabling one-pass forming of complex tenon shapes for seamless profile connection. Ideal for small-to-medium batch production of aluminum facades, curtain walls, and door frames.