120bags/min
Max Speed
Manufacturer Factory Direct
Direct Block Bottomer Machine
Direct Block Bottomer Machine
Manufacturer
With 30 years of manufacturing experience, we provide factory-direct square bottom valve bag making machines with premium quality and prices.
350-600mm
Sack Width
80-160mm
Bottom Width
120kW
Total Power
Core Machine Advantages.
Modular design, seamless integration, reliable production.
01
High-Speed Production
Achieves up to 120 bags per minute with double unwind stations for continuous, efficient, and stable manufacturing.
02
Hot-Air Welding
Utilizes top-tier hot air technology up to 750°C to ensure strong, moisture-proof, and perfectly sealed valve bags.
03
Nano Micro-Perforation
Features 64 needles/cm² high-density perforation for excellent air permeability while completely preventing fine powder leakage during filling.
04
Smart Servo Control
Equipped with advanced PLC and servo-driven systems for highly accurate positioning, easy size adjustments, and automated operations.
About LIGUOXING
R&D InnovationContinuous innovation for better performance.
Quality ControlStrict testing and quality assurance at every step.
Global ServiceInstallation, training and after-sales worldwide.
Customized SolutionsTailored configurations for your needs.
Learn More About Us ->
Powerful Source Factory for Block Bottom Bag Making Machines
Backed by 30 years of rich production experience, Qingdao Liguoxing Precision Machinery Co., Ltd. is a powerful source factory specializing in block bottom valve bag making machines. Equipped with advanced CNC machining centers and laser cutting platforms, our profound in-house manufacturing capabilities empower our core product: the BVM-120 Machine. Continually innovated since its first generation in 2014, the current model features fully servo-driven control, 120 pcs/min high-speed production, top-tier hot air welding, and 64 needles/cm² nano micro-perforation for high-strength, dust-free packaging solutions. We provide premium production lines for cement, chemicals, building materials, and food products, strictly ensuring no defective products leave the facility. With over 200 sets delivered worldwide and rapid spare parts supply, Liguoxing is your trusted direct-factory leader in global industrial packaging
How It Works
An 8-step workflow engineered for stable and high-speed production.
01
Double Unwind Station
Standby Rolls Loaded Without Machine Stop. This Increase Rolls Exchange Efficiency.
02
Micro Perforation
Double Sides Micro Perforation Holes Treatment For Air Permeability Performance.
03
Cutting
Servo Driven Cutting For Better Cutting Precision.
04
Gripper Turning
Servo Driven Gripper For Turning Bags Direction.
05
End Open
Servo Driven Sucking And Spreader For Bags End Opening.
06
Bottom Folding
Bottom Folding For End Closing. Easy Adjustment Based On Different Bottom Width.
07
Bottom Welding Station
Hot Air Welding Bottom With Strong Strength. Temperature Compensation Equipped.
08
Finished Bags Delivery
Finished Bags Delivery With Auto Accounting.
Applications
One machine, multiple bag types and industries.
Cement Packaging Solutions
Produces high-strength, moisture-proof valve bags perfect for automated cement filling lines, significantly reducing dust and product loss.
Building Materials Packaging
Ideal for packaging dry mortar, tile adhesive, and putty powder with excellent sealing to ensure product integrity.
Chemical Powder Packaging
Micro-perforated bags perfectly suited for fine chemicals like titanium dioxide and resin, ensuring zero leakage and safety.
Food Industry Packaging
Delivers clean and safe valve bags for potato starch, grains, and food additives, meeting high industry standards.
Latest News
View All News ->Global Customer
Based in Qingdao, we support customers across the Middle East, Southeast Asia, Africa, Europe, Russia, and South America.
Qingdao
Russia
Europe
Middle East
Africa
Southeast Asia
South America
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