China PU Mono Tube Extrusion Line Manufacturers & Products

Pioneering High-Precision Thermoplastic Polyurethane (TPU) Extrusion Technologies for Global Industrial, Automotive, and Medical Applications.

About Us

Jiangsu Baodie Automation Equipment Co., Ltd.

BAOD EXTRUSION (Jiangsu Baodie Automation Equipment Co., Ltd.), founded in 2002, is dedicated to the design, engineering, and manufacturing of state-of-the-art plastic extrusion machinery. Leveraging 18 years of pioneering Taiwan-based design experience from our original parent group, KINGSWEL GROUP (which established its Shanghai manufacturing hub in 1999), we have grown to become a benchmark brand in global polymer processing technologies.

With an unwavering commitment to engineering superiority, our technical team works at the intersection of material science and mechanical automation to provide production systems capable of maintaining the tightest mechanical tolerances required by high-tech industries.

  • Precision Micro-Extrusion Down to ±0.03mm Tolerances
  • Energy-Efficient Extruder Dynamics and Drive Architecture
  • Closed-loop PLC Processes & Intuitively Integrated Smart Systems
  • Robust Fail-Safe & Comprehensive Equipment Safety Shields

25 Years of Engineering Excellence

For a quarter of a century, BAOD Extrusion has focused exclusively on overcoming processing hurdles for critical plastic polymers. We provide our global partners with reliable, robust, and highly optimized hardware.

25

Years of Experience

16,000m²

Factory Area

100+

Extrusion Experts

Global Industrial Status & Technical Roadmap of PU Mono Tube Extrusion

An in-depth engineering review of processing Thermoplastic Polyurethane (TPU) for pneumatic, automotive, and medical fields.

In modern precision manufacturing, Thermoplastic Polyurethane (TPU / PU) is highly valued for its outstanding physical properties. It bridges the gap between flexible rubber and rigid plastics, offering superior tear strength, high elasticity, excellent kink resistance, and outstanding chemical resistance. However, conveying these characteristics into finished products like PU Mono Hoses requires advanced processing technology. Extruding PU mono tubes is challenging due to the polymer's shear sensitivity, hygroscopic nature, and narrow thermal processing window. As global automation, automotive, and medical industries demand tighter dimensional tolerances, the technological requirements for China PU Mono Tube Extrusion Lines have evolved.

1. Specialized Screw & Melt Design for Thermal Processing of TPU

Standard polyolefin screws are unsuitable for processing PU. TPU molecules undergo rapid shear-induced degradation if subjected to excessive friction within the extruder barrel. A dedicated PU Mono Tube Extrusion Line requires a custom-engineered screw with a specific length-to-diameter (L/D) ratio—typically between 25:1 and 30:1—coupled with a low compression ratio (1.8:1 to 2.2:1).

Precise Temperature Control

Multi-zone barrel heating systems use copper-jacketed cast aluminum heaters and efficient cooling fans to maintain temperature profiles within ±1°C.

Melt Pump Integration

Eliminates output pulsing by maintaining constant pressure at the die head. This is essential for controlling wall thickness and tube concentricity.

2. Localized Application Scenarios

Industrial demands vary significantly by region. By analyzing user search intent and purchasing patterns, we have optimized our PU Mono Tube Extrusion Lines for several distinct application scenarios:

  • Automotive Pneumatics (Europe & Americas): Used for under-the-hood air brake systems, suspension lines, and cabin air routing. These tubes must comply with standards like ISO 7628 and DIN 74324, requiring exact outer diameters (OD) and internal diameters (ID) to prevent leaks at quick-connect fittings.
  • Robotic Automation & Spiraled Air Hoses (APAC & NA): In highly automated assembly plants, robotic arms require flexible pneumatic lines. Extruded PU tubes are spiraled to handle millions of bending cycles without cracking or fatiguing.
  • Medical Catheter Sleeves & Tubing (Global): Medical-grade TPU demands cleanroom-compliant extrusion lines. Precise vacuum calibration and strict dimensional control are critical for these applications.

3. China Factory Supply Chain Resilience & Cost-Efficiency Advantages

By integrating Taiwan's precision engineering heritage (through the KINGSWEL GROUP) with the raw material and logistical advantages of the Yangtze River Delta in Jiangsu, BAOD EXTRUSION offers high performance at a competitive price. Our local supply chain allows us to source high-grade steel, CNC-machined components, and electrical components directly. This localized ecosystem reduces manufacturing lead times by up to 30% compared to European counterparts, while maintaining strict compliance with global engineering standards.

4. Technical Roadmap and Future Outlook (2026–2030)

As industry shifts toward smart manufacturing, the future of PU extrusion lies in digitalization and sustainability:

AI-Driven Closed-Loop Controls

Integrating real-time laser measurement systems directly with the extruder and puller drives. The system automatically adjusts parameters to correct dimensional drift without operator intervention.

Bio-Based TPU Processing

Redesigned screw profiles to handle bio-based and recycled TPU resins, helping manufacturers meet strict environmental and carbon reduction regulations.

Featured Extrusion Technology Showcases

Direct profiles from our primary manufacturing facility in Jiangsu, showcasing diverse applications in industrial tube, profile, and sealing strip production.

Precision Small Diameter Tube/Pipe Extrusion Line

Precision Small Diameter Tube/Pipe Extrusion Line

High-speed manufacturing system designed for micro-diameter tubing applications.

Multi-Layer PA Smooth / Corrugated Hose/ Tube Extrusion

Multi-Layer PA Smooth / Corrugated Hose/ Tube Extrusion

Advanced co-extrusion technology for multi-layer automotive and industrial fluid delivery lines.

High Speed PVC Medical Tube Extrusion Line

High Speed PVC Medical Tube Extrusion Line

Strictly controlled, high-output line for medical-grade catheters and IV tubing.

PA/PE/PP/PVC High Speed Single Wall Corrugated Pipe Extrusion Line

PA/PE/PP/PVC High Speed Single Wall Corrugated Pipe Extrusion

Corrugated profile manufacturing line optimized for cable conduits and protective sleeves.

TPV Knitting Compostie Hose Extrusion Line

TPV Knitting Compostie Hose Extrusion Line

Reinforced composite hose line featuring dynamic fiber braiding and knitting integration.

TPV,PVC Automobile Sealing Strip Extrusion Line

TPV,PVC Automobile Sealing Strip Extrusion Line

High-precision profile lines for complex automotive weatherstrips and door seals.

Our Latest Industry News & Insights

Read about our technical innovations, exhibitions, and deep comparisons of international manufacturing standards.

CHINAPLAS 2026

CHINAPLAS 2026 Concludes Successfully, BAOD EXTRUSION Showcases High-Efficiency Innovation

From April 21–24, CHINAPLAS 2026 was successfully held at the NECC (Shanghai). BAOD EXTRUSION showcased its latest R&D achievements at Booth 7.1C04, presenting "Smart Extrusion & High-Efficiency Innovation" solutions that drew global attention.

Apr/30/2026 Read More
Detonating Tube Extrusion

Innovation and Reliability: BAOD EXTRUSION as Top 10 Customized Detonating Tube Extrusion Line Solution Provider

In the controlled environment of a modern industrial facility, a single, hair-thin plastic tube wound onto a reel might seem unremarkable, but it is critical for industrial demolition and quarrying operations requiring precise detonation lines.

Mar/26/2026 Read More
Multi-Lumen Catheter Standards

High Precision Multi-Lumen Tube Extrusion Line In China vs European Manufacturing Standards

We compare internal geometric tolerances, melt filtration setups, and vacuum calibration differences between Chinese high-precision medical lines and premium European brands to assess cost-performance benefits.

Mar/23/2026 Read More
OEM Compliance

How China Leading OEM Automotive Tube Extrusion Line Supplier BAOD Maintains International Manufacturing Compliance

Explore the quality management processes, material validation steps, and machine testing protocols that ensure BAOD's fuel line and cooling tube machinery meets global automotive standards.

Mar/19/2026 Read More
Automobile Sealing Strip Trends

BAOD – Top Highly Automation TPV, PVC Automobile Sealing Strip Extrusion Line Supplier: Trends for 2026

An in-depth look at new materials and automated co-extrusion setups designed to minimize noise and improve insulation in modern electric vehicles.

Mar/17/2026 Read More

Global Standards Compliance & Localized Support

Ensuring seamless installation and operational compliance across international borders.

Buying machinery globally requires dependable, localized support and adherence to regional certifications. At BAOD EXTRUSION, we build our systems to satisfy international standards, including:

  • CE Marking & UL Certification: All electrical panels are configured with premium components (e.g., Siemens, Schneider, Omron) and conform to European safety standards.
  • Remote Tele-Diagnostics: Our systems feature Ethernet/IP and VPN-connected PLC systems. Our engineers in China can diagnose and adjust software parameters remotely, minimizing downtime.
  • Global Commissioning and Engineering Support: We offer complete installation support, local commissioning, and operator training through regional engineering partners in Europe, Southeast Asia, and the Americas.

Frequently Asked Questions (FAQ)

Key technical and commercial inquiries answered by our senior engineering division.

What is the typical dimensional tolerance of a BAOD PU mono-tube extrusion line?
With our precision vacuum sizing systems and closed-loop laser diameter controllers, we routinely maintain an outer diameter (OD) and wall thickness tolerance of ±0.03mm to ±0.05mm, depending on raw material consistency.
Why is a standard single-screw extruder unsuitable for TPU processing?
TPU is highly shear-sensitive and hygroscopic. Standard screws can create too much shear friction, causing thermal degradation of the polymer. This degrades physical properties and results in surface imperfections. Our specialized screws feature an L/D ratio of 25:1 to 30:1 with gentle compression zones to process the material smoothly.
How does BAOD guarantee moisture control when extruding PU?
Moisture in TPU resin causes bubbles and voids in the tube wall. We recommend and supply integrated, high-capacity desiccant dryers that achieve dew points below -40°C. This ensures the resin is thoroughly dried before entering the extruder throat.
How do you handle equipment delivery, installation, and commissioning?
We provide pre-shipment video run-offs using the client's raw materials. After dispatch, we send field engineers for on-site positioning, piping, and wiring calibration. Alternatively, we support local setups using our comprehensive digital guides and remote PLC access.