Explore our core custom manufacturing systems engineered for high precision, mechanical reliability, and advanced material processing.
Founded in 2002, BAOD EXTRUSION (Jiangsu Baodie Automation Equipment Co., Ltd.) has dedicated over two decades to the design, custom engineering, and manufacturing of high-performance plastic extrusion systems. Our technological lineage traces back to our original parent company, KINGSWEL GROUP, which brought 18 years of high-end machinery engineering experience from Taiwan when it established its first mainland production base in Shanghai in 1999.
Today, with a cumulative experience spanning over 25 years, BAOD stands at the absolute forefront of precision plastic extrusion. We offer a comprehensive suite of customized solutions tailored to satisfy the complex technical criteria of global industries, with an unwavering focus on:
State-of-the-art facility featuring computerized machining centers, precision assembly zones, and complete test run areas for physical trials.
Rooted in robust engineering principles and premium tooling methods.
Continuous investment in plasticizing behavior and polymer engineering.
Years of Extrusion Excellence
Modern Industrial Facility
Highly Skilled Engineers & Operators
An in-depth exploration of material sciences, structural design dynamics, and automated process control in polyamide tube manufacturing.
Polyamides (commonly Nylon 6, 66, 11, and 12) exhibit unique thermodynamic properties that differentiate them from standard polyolefins like PE and PP. PA possesses a high, well-defined melting point and low melt viscosity, requiring highly specialized screw designs to prevent mechanical shearing heat while achieving optimal thermal homogeneity.
Melt Temperature Controls: Nylon 11 and 12 require exceptionally tight processing windows. Any deviation in melt temperature can cause thermal degradation, introducing micro-voids and structural weaknesses. Our custom screws are built with a compression ratio optimized for engineering resins (typically 2.8:1 to 3.2:1) and feature L/D ratios of 30:1 or 33:1 to ensure complete, stable plasticization without overheating the polymer matrix.
Modern applications demand multi-functional tubing. Single-layer hoses often fail to meet the complex chemical barrier, mechanical strength, and flexibility constraints of current emission standards (e.g., Euro 6d / EPA Tier 3). The future of PA hose manufacturing lies in multi-layer co-extrusion technology.
BAOD is a pioneer in developing co-extrusion lines capable of processing 3-layer, 5-layer, and up to 7-layer composite tubes. These structures combine different polymers to yield unique characteristics:
Integrating EVOH or Fluoropolymer (PVDF) layers inside PA tubes blocks fuel vapor and volatile emissions, ensuring compliance with strict environmental regulations.
Utilizing specialized maleic anhydride grafted polyolefin tie-layers to secure chemical bonds between incompatible materials, eliminating risk of delamination.
By placing expensive performance polymers only where needed (inner barrier) and using standard PA compounds for the structural outer jacket, manufacturers save up to 40% on raw material costs.
Our technical roadmap focuses on the integration of smart sensors and real-time die-head adjustment mechanisms. Our custom die-heads use spiral mandrel or radial distributor technologies that ensure absolutely uniform layer thickness distributions and prevent weld lines, producing high-burst-pressure tubing with high mechanical integrity.
The applicability of BAOD Extrusion systems extends across critical high-tech and heavy industrial sectors. The precision of our machines translates into reliable performance where failure is not an option.
By blending our Taiwanese roots and international compliance practices with mainland China’s immense industrial ecosystem, BAOD EXTRUSION provides global partners with an unbeatable cost-to-performance ratio. Our 16,000m² factory operates under structured lean manufacturing processes and ISO 9001 guidelines.
Supply Chain Integration: We control every stage of fabrication. From CNC machining of our extruders' feed sections to the heat treatment of screws, barrel bores, and crossheads, internalizing these manufacturing steps ensures complete quality control over metal hardness, tolerances, and surface finishes.
Furthermore, our close integration with global premium component suppliers (such as Siemens PLC systems, ABB converters, Omron control relays, and Dynisco melt transducers) ensures that maintenance and parts replacement are simple and accessible worldwide.
High-capacity co-extrusion system engineered for co-extruding PA12/PVDF/EVOH structures with zero inter-layer slippage.
Providing international standard compliance, remote digital twins, and a robust support infrastructure to protect your operational uptime.
All BAOD machinery is built to meet international regulatory standards. We supply CE declarations of conformity, conform to UL electrical requirements, and build safety enclosures matching ISO standards for operator physical protection. We strictly maintain ISO 9001 and ISO 14001 factory compliance, meeting the quality verification demands of top-tier global automotive and medical component manufacturers.
Operational downtime is expensive. To support our installations, BAOD integrates secure remote VPN telemetry into our control cabinets. In the event of a system fault, our engineers can remotely audit raw PLC data, update control loops, and identify electrical errors. We support our systems locally through partner networks and offer global parts shipment protocols, dispatching key machine parts in under 48 hours.
Engineered to handle specific polymers with custom sizing, cooling, and automated take-off modules.
Engineered for high-tolerance micro-tubes, medical capillaries, and precise consumer straws with automated wall thickness control.
Integrated co-extrusion technology with online corrugator blocks for production of flexible automotive fluid conduits.
Operates in cleanrooms, delivering sterile medical-grade PVC tubing at high linear output speeds with zero scrap rates.
Designed for fast corrugation cycle speeds, maintaining consistent wall thickness at both the crests and troughs of the profile.
Combines multi-layer polymer extrusion with high-tensile yarn reinforcement to create flexible, high-pressure industrial hoses.
Engineered for co-extruding dense and foamed compounds, with inline steel strip insertion for automotive door seals.
Stay updated with our technical breakthroughs, industry analysis, and exhibition announcements directly from the factory floor.
BAOD EXTRUSION showcased its latest R&D achievements at Booth 7.1C04, presenting “Smart Extrusion · High-Efficiency Innovation” solutions. We demonstrated real-time calibration systems and co-extrusion technology designed for high-performance polymers, attracting major international buyers seeking to optimize raw material yields and improve energy efficiency.
In high-precision defense, mining, and demolition sectors, shock-tube detonator extrusion demands absolute uniformity in explosive-liner coatings. BAOD's custom lines ensure micro-gram control of the coating process, earning us a top position globally for specialized explosion-conduit extrusion machinery.
A technical comparison analyzing the mechanical design, vacuum stabilization, and software architecture between BAOD and European suppliers. This guide explores how BAOD delivers equivalent tolerances (under ±0.02mm) at a highly competitive capital cost, backed by responsive international support.
Analyzing the quality control procedures, trace material reports, and assembly protocols that enable BAOD Extrusion to meet strict OEM standards for tier-1 suppliers to major European and American automotive brands.
With electric vehicles demanding higher cabin NVH performance, automobile sealing strips require precise co-extrusion of dense, sponge, and steel carriers. This article highlights BAOD's latest advancements in dual-component cross-head designs and cooling systems for 2026.
Technical guidance and design advice from our head extrusion engineers to assist you in selecting the right machinery.
Polyamides have high crystallinity and narrow melting points, coupled with a low melt viscosity when liquefied. A generic polyolefin screw will generate excessive shear heat, degrading the PA resin and reducing the mechanical properties of the finished hose. BAOD designs custom screws with a low compression ratio, a longer transition zone, and specialized barrier flights to ensure stable melting, uniform heat distribution, and consistent output pressure.
We combine several systems to hold outer diameter and wall thickness tolerances under ±0.05mm: an ultra-precise melt pump that dampens pressure surges, a high-vacuum calibration tank featuring closed-loop water level and vacuum controls, and an online laser outer-diameter gauge that feeds real-time adjustments back to the haul-off puller speed.
Multi-layer lines allow manufacturers to co-extrude polymers (e.g., PA12/EVOH/PA6) to create hoses with combined properties: high mechanical strength and chemical resistance from the polyamide, and hydrocarbon barrier properties from the EVOH. Our specialized co-extrusion die-heads ensure precise layer thickness ratios, uniform melt distribution, and strong layer-to-layer adhesion.
Polyamide is highly hygroscopic. If processed with moisture levels above 0.05%, hydrolysis occurs, reducing molecular weight and leading to bubble defects and brittle spots in the hose. BAOD offers integrated desiccant-drying loader systems that pre-dry the PA material to less than 0.02% moisture before it enters the extruder feed zone.
Yes, we customize our PA extrusion lines to include both vacuum calibration tables (for smooth-bore tubes) and inline high-speed corrugator machines (for corrugated hoses used in automotive wire harness shielding or fuel tank internal hoses). Changing configurations is simple, and our control system handles both modules easily.
We offer complete Factory Acceptance Testing (FAT) at our Jiangsu facility before shipment. Upon arrival, we dispatch senior engineers to handle commissioning, dry runs, and local staff training. We also integrate remote IoT gateway modules in our machines, allowing our engineering team in China to assist with setup adjustments and diagnostic troubleshooting remotely.
Complete your extrusion setup with our downstream calibration tables, cutting stations, and specialty profile lines.
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