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    20+ years of automation parts sourcing — distributor, not manufacturer.

    Yueyang Tongtu E-commerce Co., Ltd. is a premier global supplier and sourcing specialist for industrial automation and control system components. With over 20 years of commercial expertise, we specialize in delivering 100% genuine, original-factory automation hardware, obsolete system spare parts, and hard-to-find control modules to international industrial buyers.

    By leveraging an extensive, verified supply network and maintaining a large-scale inventory, Yueyang Tongtu bridges the gap between global manufacturers and cost-effective automation solutions, ensuring fast delivery and seamless technical compatibility.

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    Advantageous Brand

    Specialized coverage of ABB, Honeywell, Bently Nevada, GE, and more.

    ABB

    ABB DCS 800xA System / S800 I/O System, S900 I/O Series, Advant OCS / 800XA, H&B Freelance 2000, BAILEY-INFI90 / Bailey Net 90, DSQC Robot Parts, PLC cards and boards.

    Honeywell

    Honeywell Experion PKS (C200, C300), Honeywell FSC.

    Bently Nevada

    Bently Nevada 3500 Series Monitor system, 3300 Series Monitor system. Modules / Chassis / I/O Module, Power Supply Module / Proximitor Sensor / Programming Cable.

    GE FANUC

    GE IC695, IC698, IC694, IC697, IC754, IC752 QuickPanel, IC660, IC600 Series Six, IC610, IC620 Series One, IC692 Series 90-20, IS200, IS215, DS200, DS3000 / 3800.

    Foxboro

    Foxboro I/A Series System Module, Foxboro CP / Foxboro FBM, Foxboro Termination Assembly Module, Foxboro Baseplate.

    Triconex

    Triconex Rack, Power Module, Processor Module, Input Module, Output Module, Tricon Communication Module TCM, Terminal Block, Cable.

    Yokogawa

    Yokogawa CENTUM CS 3000 R3, Yokogawa CPU Module, Power Supply Module, I/O Module, Cards.

    Schneider

    Modicon, Quantum 140 System.

    HIMA

    CPU, Power Distribution Module, Coprocessor Module, Input Module, Output Module.

    Emerson

    DeltaV / Emerson KJ Series 2 I/O module, Terminal Block, Positioning Servo Drive, Epro / CSI 6500 machinery health monitor, MMS6000 Measurement Modules, MMS 3000 System.

    Siemens

    MOORE, 6ES7 (1, 2, 3, 4), 6DD, 6DP, S7, S5 System Series.

    ICS Triplex

    ICS Triplex Trusted TMR systems, Processor Modules, I/O Modules, Communication Modules, Power Supplies.

    Bachmann

    Bachmann I/O modules, function modules, CPU modules, power boards, counter modules. Wind energy automation and industrial control.

    EPRO

    EPRO vibration monitoring modules, proximity probes, MMS 3000 / 6000 series. Cross-reference to Bently Nevada equivalents available.

    Invensys

    Invensys Foxboro, Triconex, and Wonderware automation components.

    Need a specific model?

    Send us your part number and we will confirm availability, price, and compatibility.

    Request a Quote

    WHY CHOOSE US

    Verified stock, compatibility checks, and fast worldwide delivery.

    🌐

    Fast Worldwide Shipping

    In-stock items dispatched within 24 hours. Express and economy shipping to 50+ countries.

    ✓

    Genuine & Surplus Inventory

    Every part sourced through verified channels. New, surplus, and refurbished options clearly labeled.

    📦

    50,000+ SKUs Across 15+ Brands

    Deep inventory including discontinued and obsolete parts. Just tell us the model number.

    ⚡

    Compatibility Verification

    Confirm firmware, series, and protocol compatibility before order confirmation. Free service for all inquiries.

    Our Service

    End-to-end support from model confirmation to delivery and acceptance.

    Communicate with customers on product model, quality, price, and delivery time
    Determine the best solution with customers
    Solve user concerns in advance
    Support cash on delivery if there is a receiving agent
    Deliver ordered products on time
    Develop a complete delivery plan to ensure the construction period

    Frequently Asked Questions

    Straight answers on authenticity, compatibility, lead time, and shipping.

    Are you a manufacturer or a distributor?

    Yueyang Tongtu is a specialized distributor and supplier of industrial automation parts. We source products from authorized channels and trusted surplus markets. We do not manufacture PLC modules or control systems.

    Do you sell genuine or aftermarket parts?

    We supply genuine OEM parts, surplus original stock, and in some cases refurbished units. Every listing clearly states the condition. We do not sell unauthorized copies or counterfeits.

    Can you help verify if a module is compatible with my system?

    Yes. Send us your existing part number, system model, and firmware version, and our team will confirm compatibility before you place an order. This is a free service for all inquiries.

    What is your typical lead time for in-stock items?

    Most in-stock items are dispatched within 24 hours. Delivery time depends on destination — typically 3–7 business days for express shipping. For items not in stock, we will provide a sourcing timeline upon inquiry.

    Featured Products In-stock and hard-to-find modules ready for immediate dispatch.

    ABB GJR5251400R0202 07DC91
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    ABB GJR5251400R0202 07DC91
    Yueyang Tongtu offers the ABB GJR5251400R0202 07DC91 legacy PLC module for ABB Procontic CS31 automation systems requiring replacement hardware and maintenance support. Designed as a CS31 system component, the 07DC91 provides reliable signal processing and communication functions within distributed control architectures, helping industrial users maintain existing PLC installations without immediate system migration.
    ABB EL3020 Analyzer
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    ABB EL3020 Analyzer
    The ABB EL3020 Analyzer is a reliable continuous gas analysis solution for industrial process monitoring, combustion control, chemical production, and emission measurement. Featuring flexible configuration, graphical operation, integrated diagnostics, and stable measurement performance, it is designed to support demanding industrial applications. 
    ABB ACS880
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    ABB ACS880
    ABB ACS880-07 is an industrial variable frequency drive for demanding motor control applications. It covers 45–2800 kW with multiple voltage options, flexible cooling and enclosure configurations, and Direct Torque Control (DTC). Suitable for conveyors, pumps, fans, compressors, production lines, and replacement projects. Yueyang Tongtu supports model verification, configuration checks, stock confirmation, and delivery.
    ABB ACS850
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    ABB ACS850
    Yueyang Tongtu, an automation supplier based in China, supplies genuine ABB ACS850 drives. Designed for retrofitting legacy equipment and controlling heavy-duty standalone machinery, the ACS850 serves as a practical successor to the high-end ACS800 series and features ABB’s proprietary Direct Torque Control (DTC) technology. We offer comprehensive technical services, including model selection and pre-parameterization; please feel free to contact us for inquiries.
    Siemens 6SL3210-1PE24-5AL0
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    Siemens 6SL3210-1PE24-5AL0
    The Yueyang Tongtu factory supplies this China Siemens 6SL3210-1PE24-5AL0, which is only used as a power execution unit. It must be paired with the corresponding CU control unit to form a complete frequency converter and cannot operate independently. It is equipped with an A-class incoming line filter and braking chopping circuit, suitable for three-phase 380-480V industrial power supply. It distinguishes output capabilities for high and low overload conditions, integrates STO safety torque shutdown function, and meets the safety shutdown requirements of the equipment.
    Siemens 6ES7155-6AU00-0BN0
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    Siemens 6ES7155-6AU00-0BN0
    The Siemens 6ES7155-6AU00-0BN0 is a PROFINET interface module for SIMATIC ET 200SP distributed I/O systems. Supporting up to 32 I/O modules, 100 Mbps RT/IRT communication, and MRP media redundancy, it enables fast data exchange with PROFINET controllers. Yueyang Tongtu offers model verification, quality inspection, and global delivery for single or bulk spare part procurement.
    Siemens 6SL3120-2TE21-8AC0
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    Siemens 6SL3120-2TE21-8AC0
    As a supplier of Siemens automation components, Yueyang Tongtu supplies Siemens 6SL3120-2TE21-8AC0 for SINAMICS S120 drive systems and related motion control applications. This dual-axis module is designed to control two motor axes from one compact unit, making it suitable for machine tools, packaging equipment, printing machinery and other equipment requiring coordinated servo motion.
    Schneider 140DDI35310
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    Schneider 140DDI35310
    Yueyang Tongtu supplies Schneider 140DDI35310 digital input module for Modicon Quantum PLC applications requiring high-density 24V DC signal acquisition, compact rack utilization, and stable field device monitoring. This 32-channel negative logic input module is designed for industrial control systems where large numbers of discrete signals must be collected within limited PLC cabinet space.
    S7-400H
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    S7-400H
    Yueyang Tongtu supplies Siemens S7-400H components for industrial automation systems that require redundant control and high availability. The S7-400H is designed around a redundant controller architecture and is used in applications where unexpected controller downtime can have a significant impact on production. When purchasing replacements or spare parts, providing the original Siemens order number ensures an accurate match.
    Schneider LXM23DU07M3X
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    Schneider LXM23DU07M3X
    Yueyang Tongtu, a China supplier, supports customers looking to purchase Schneider LXM23DU07M3X for industrial motion control. This 750W servo motor features closed-loop vector control, encoder feedback, RS-485 Modbus-RTU, and optional EtherCAT for controlled speed, position, and torque.
    ICS Triplex T9432
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    ICS Triplex T9432
    Yueyang Tongtu is a leading China supplier of ICS Triplex T9432 that is a 16-channel isolated analog input module manufactured by Rockwell Automation under the ICS Triplex brand, designed for the Trusted® and AADvance safety instrumented systems. The ICS module employs a Triple Modular Redundancy architecture and carries IEC 61508 SIL 3 certification. It is designed for safety-critical applications such as emergency shutdown (ESD), fire and gas (F&G) monitoring, and high-integrity pressure protection systems (HIPPS).
    ICS Triplex T9402
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    ICS Triplex T9402
    Yueyang Tongtu supplies the ICS Triplex T9402 for customers who need components for AADvance control system maintenance, replacement, or spare-part inventory. The T9402 belongs to the AADvance Controller Series and is associated with industrial applications where process safety and critical control are important.

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