Custom Catheter Extrusion Factory & Product

Precision Extrusion System Components

Explore our foundational tooling and calibration systems, built for strict tolerance control and highly automated performance.

Custom Precision Auto Vacuum Sizing Tank Factory, Product

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Custom QYP Series Belt Puller Factories, Product

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Custom FQ Series Rotary Fly Knife Cutter Product, Products

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Custom SC Series Follow-Up Saw Blade Cutter Factory, Products

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China Steel Wire Strand Coating Extrusion Line

China Steel Wire/ Steel Strand / Metal Corrugated Pipe/ Compensation Chain Coating Extrusion Line Manufacturers

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China High Speed Corrugated Pipe Extrusion Line

China PA/PE/PP/PVC High Speed Single Wall Corrugated Pipe Extrusion Line Manufacturers, Factory

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Custom Precise Traverse Displacement Auto-Spool Changing Coiling Machine Manufacturer, Manufacturers

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China LDPE,HDPE,PP Precision Tube Extrusion Line Manufacturer, Factory

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ESTABLISHED IN 2002

About Us

Jiangsu Baodie Automation Equipment Co., Ltd.

BAOD EXTRUSION (Jiangsu Baodie Automation Equipment Co., Ltd.) is dedicated to the development, manufacturing, and sales of world-class plastic extrusion equipment. Grounded in 18 years of pioneering engineering in Taiwan under the parent enterprise, KINGSWEL GROUP, we established our highly specialized manufacturing facility in Shanghai in 1999, scaling operations in Jiangsu to serve global markets.

Precision medical-grade & micro-tube extrusion technology
High efficiency, zero-waste thermal management systems
State-of-the-art closed-loop process automation
Comprehensive machinery safety and cleanroom compliance protection

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"Leveraging 25 years of cross-strait plastic extrusion design and manufacturing expertise, BAOD Extrusion has evolved into a strategic technology partner for global medical device OEMs, automotive component suppliers, and precision industrial packaging manufacturers."

We pride ourselves on offering bespoke extrusion line builds that meet the strict requirements of regulatory frameworks, including ISO 13485 for medical devices. Our focus on closed-loop control guarantees that our medical tube extrusion systems deliver unprecedented wall-thickness repeatability and micro-tolerance sizing under high manufacturing speeds.

The Technical Spectrum of Medical Catheter Extrusion

A technical guide to materials, tooling engineering, and quality management in high-precision medical-grade tube manufacturing.

In modern interventional medicine, medical catheters are critical tools. They enable procedures from simple fluid delivery to complex neurovascular interventions and coronary balloon angioplasties. The performance of these devices depends heavily on the quality of the initial extrusion process. Medical catheter extrusion is not just standard plastic shaping; it is a specialized discipline that requires deep knowledge of polymer rheology, mechanical design, and closed-loop process monitoring.

1. Advanced Polymers & Fluoroplastics in Catheter Architecture

Different clinical applications require specific material properties. For example, a tracking microcatheter needs a highly flexible distal tip coupled with a rigid proximal shaft to ensure excellent pushability and torque transmission. To achieve this, medical engineers use advanced thermoplastic elastomers and fluoropolymers:

Pebax (Polyether Block Amide): Recognized for its exceptional mechanical strength, flexibility, and elasticity. By blending different durometer grades of Pebax, we can create catheters with variable stiffness profiles.
TPU (Thermoplastic Polyurethane): Offers excellent biocompatibility, high chemical resistance, and outstanding tensile strength, making it ideal for central venous catheters (CVCs) and hemodialysis access.
Fluoroplastics (PTFE, FEP, PFA): PTFE is the industry standard for catheter inner liners due to its low coefficient of friction. FEP is widely used for heat shrink tubing and outer jacket protection because of its excellent melt processability.

2. Multi-Lumen & Co-Extrusion Engineering

Modern interventional procedures often require multi-functional channels within a single catheter shaft. For instance, a balloon dilatation catheter requires a guide wire lumen, an inflation lumen, and sometimes an auxiliary infusion lumen. This makes multi-lumen and co-extrusion technology essential. Extruding multi-lumen tubing requires precise control over air injection (lumen air support) to prevent the channels from collapsing during the vacuum sizing process.

Co-Extrusion (Multi-Layer)

Combines multiple polymers in a single process. It allows for a low-friction inner liner, a braided reinforcement middle layer, and a highly soft, biocompatible outer jacket.

Micro-Tolerance Profiles

Achieves dimensional tolerances of ±0.01mm to ±0.02mm. This precision is critical to ensure that clinical devices pass through narrow blood vessels without causing trauma.

Bespoke Geometric Matrixes

Produces non-circular geometries, including eccentric tubes, star configurations, and custom dual-bore designs that accommodate sensors and fiber-optic bundles.

3. Real-Time Dimensional Measurement & Closed-Loop Control

In medical manufacturing, even a microscopic defect can lead to product failure. To prevent this, BAOD EXTRUSION incorporates real-time laser measurement systems, ultrasonic wall thickness monitors, and gravimetric control systems directly into our extrusion lines. This setup enables active feedback loop control: if the outer diameter changes slightly, the belt puller's speed adjusts automatically to correct the variance before the tube leaves the cooling bath.

China Factory Advantages: Scale, Quality & Cost Efficiency

Why international medical device companies choose Jiangsu Baodie Automation for their custom precision extrusion lines.

Historically, high-precision medical-grade extrusion equipment was dominated by European and North American machinery builders. However, China's industrial upgrading has changed the landscape. Suppliers like BAOD EXTRUSION now offer comparable precision, speed, and automation, supported by strong regional and operational advantages:

Integrated Supply Chain: Our facility is located in Jiangsu, adjacent to Shanghai. This region is a major hub for raw material sourcing, CNC precision machining, and heat treatment. This geographic advantage helps us reduce manufacturing lead times for customized dies.
Taiwanese Technical Heritage: Building on our origins under the Kingswel Group (Taiwan), we apply rigorous quality control, methodical design workflows, and precision assembly techniques to every build.
High Cost-Performance Ratio: By combining localized component supply chains with highly optimized manufacturing processes, we deliver complete medical extrusion lines at a fraction of the cost of Western competitors, without compromising on performance or reliability.
Rapid Prototyping and Customization: We can design and produce custom extrusion dies, screw configurations, and vacuum sizing molds in as little as 3–4 weeks, helping our clients accelerate their time-to-market.

BAOD Core Manufacturing Extrusion Lines

Direct from our factory floor: specialized turnkey systems engineered for medical, automotive, and industrial applications.

Precision Small Diameter Tube/Pipe Extrusion Line

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Multi-Layer PA Smooth/Corrugated Hose Extrusion Line

Multi-Layer PA Smooth / Corrugated Hose/ Tube Extrusion Line

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High Speed PVC Medical Tube Extrusion Line

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

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TPV Knitting Composite Hose Extrusion Line

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TPV, PVC Automobile Sealing Strip Extrusion Line

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Localized Applications & Macro Industry Trends

How precision extrusion meets the evolving demands of clinical procedures, automotive systems, and global production floors.

A. Clinical Application Scenarios for Extruded Tubing

Precision tubing is used in a wide range of medical devices. Different clinical applications require specialized design and materials:

Cardiovascular Catheters: Designed with a soft distal tip, a variable stiffness shaft, and a low-friction PTFE liner to navigate narrow blood vessels safely.
Neurovascular Microcatheters: Featuring wall thicknesses down to 0.05mm and multi-lumen configurations, these micro-tubes allow access to the brain's delicate vascular networks for stroke and aneurysm treatment.
Dialysis & Drainage Tubes: Commonly extruded from high-performance PVC or polyurethane. These tubes require excellent kink resistance, high chemical inertness, and smooth surfaces to prevent thrombus formation.
Urological and Drainage Catheters: Multi-lumen configurations designed to channel drainage, balloon inflation, and irrigation paths within a compact, single-extruded tube.

B. Macro Industry Development Trends

The medical extrusion market is moving toward greater miniaturization and smarter automation. Key trends include:

Micro-Extrusion: Growing demand for minimally invasive surgeries (MIS) is driving the need for extremely small tubing with walls thinner than 0.03mm.
Smart Automation and Industry 4.0: Modern extrusion systems utilize cloud-connected diagnostics, predictive maintenance scheduling, and real-time remote support.
Bio-absorbable & Sustainable Materials: Processing bio-resorbable polymers like PLA, PGA, and PLGA requires specialized screw designs and precise temperature controls to prevent material degradation.

Our Latest News & Technical Insights

Stay up to date with our developments in technology, international exhibitions, and industrial insights.

Release date: Apr / 30 / 2026

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

From April 21–24, CHINAPLAS 2026 was successfully held at the National Exhibition and Convention Center (Shanghai, Hongqiao). BAOD EXTRUSION showcased its latest R&D achievements at Booth 7.1C04, presenting "Smart Extrusion · High-Efficiency Innovation" solutions that...

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Release date: Mar / 26 / 2026

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. However, in sectors ranging from mining and quarrying to large-scale infrastructure demolition, this tube—known...

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Release date: Mar / 23 / 2026

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

In the sterile, quiet environment of a modern medical facility, a clinician prepares a complex catheter for a critical procedure. This thin, flexible tube is far more than a simple conduit; internally, it is divided into several microscopic channels, or lumens, each desi...

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Release date: Mar / 19 / 2026

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

How do the world's most reputable vehicle manufacturers ensure the absolute integrity of every fuel line, brake hose, and cooling pipe buried deep within a vehicle’s chassis? Why has the shift toward electric and lightweight vehicles made the precision of these small-dia...

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Release date: Mar / 17 / 2026

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

As the twilight sun reflects off the sleek, aerodynamic curves of a modern electric vehicle parked in a bustling metropolitan street, few observers notice the quiet, critical components ensuring the cabin remains a sanctuary of silence and temperature control. Behind the...

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Frequently Asked Technical Questions

Clear answers from our chief engineers to help you evaluate and specify your catheter and micro-tube extrusion system purchases.

Q1: How does BAOD guarantee a dimensional tolerance of ±0.01mm on medical tubing?

We achieve this through a combination of precision machinery and control systems: high-resolution gravimetric feeders that ensure consistent raw material feed, high-precision gear pumps that minimize output pressure fluctuations to less than 0.1 MPa, and closed-loop laser gauge feedback systems that dynamically adjust the puller speed.

Q1: Can BAOD extrusion lines handle fluoropolymers like PTFE and FEP?

Yes, our fluorine plastic tube extrusion lines are specifically engineered for this. We use corrosion-resistant barrel and screw materials (such as Hastelloy or special nickel-based alloys) to withstand the corrosive gases released during high-temperature fluoropolymer melting, and incorporate multi-zone ceramic heaters for precise heat control.

Q1: What is the advantage of using a gear pump in medical catheter extrusion?

A gear pump acts as a metering device that insulates the extrusion die from pressure surges originating in the extruder barrel. This ensures a highly stable, pulse-free melt flow, which is essential for extruding thin-walled micro-tubes with consistent dimensions.

Q1: How are multi-lumen profiles calibrated without collapsing the internal channels?

We use a micro-air control system that injects low-pressure, regulated air into each individual lumen during the cooling process. This pressure prevents the lumen walls from collapsing while the outer profile is cooled and shaped in our high-precision vacuum sizing tank.

Q1: Are BAOD extrusion lines suitable for cleanroom installation?

Yes. Our medical extrusion systems are built with stainless steel frames, medical-grade lubricants, and enclosed motors. We also offer HEPA filtration hoods over the water tanks to meet class 10,000 and class 100,000 cleanroom requirements.

Q1: Do you provide IQ/OQ/PQ validation support for pharmaceutical or FDA compliance?

Yes. We supply comprehensive FAT and SAT documentation, calibration certificates for key sensors and gauges, and detailed validation packages to support your Installation Qualification, Operational Qualification, and Performance Qualification processes.