China PLC Modules & DCS Systems Supplier - Yueyang Tongtu
AC500, AC800M, S800 I/O, ControlLogix, CompactLogix, SLC 500, 3500 Series vibration monitoring. Compatibility verification before purchase.
DCS, PLC & Robot Parts
Distributed control systems, programmable controllers, industrial communication converters, remote I/O modules, and human-machine interfaces. Discontinued and obsolete parts a specialty.
ABB, Allen Bradley & EPRO PLC
Ac500,AC800M, 5800 I/0, controlLogix, compactLogix, Slc 500, 3500 series vibrati on monitoring, compatibility verification before purchase.
About Us20+ 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.
Product Category
Genuine and surplus PLC, DCS, and robot parts from 15+ leading brands.
Trusted Brands
Long-term supply partnerships with leading automation brands.
Advantageous Brand
Specialized coverage of ABB, Honeywell, Bently Nevada, GE, and more.
WHY CHOOSE US
Verified stock, compatibility checks, and fast worldwide delivery.
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Fast Worldwide Shipping
In-stock items dispatched within 24 hours. Express and economy shipping to 50+ countries.
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Genuine & Surplus Inventory
Every part sourced through verified channels. New, surplus, and refurbished options clearly labeled.
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50,000+ SKUs Across 15+ Brands
Deep inventory including discontinued and obsolete parts. Just tell us the model number.
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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 ProductsIn-stock and hard-to-find modules ready for immediate dispatch.
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