Reliable factory maintenance depends on having the correct automation component available before a failure interrupts production. Keeping too many parts in storage ties up purchasing budgets and creates inactive inventory, while keeping too few leaves maintenance teams exposed to long lead times, discontinued models and costly emergency shipments.
Yuntengbao Automation (Xiamen) Co., Ltd. provides MRO automation spare parts supply for manufacturing plants, maintenance companies, machine builders, system integrators and industrial distributors. We help customers organize multi-brand spare-parts requirements, identify critical models, consolidate purchasing and arrange replenishment according to actual maintenance schedules.
Our supply scope includes PLCs, I/O modules, HMI panels, industrial computers, variable frequency drives, servo products, communication modules and low-voltage electrical components. Customers can begin with one production line or submit a complete spare-parts list covering several machines, brands or factory locations.
Common Problems in Automation MRO Procurement
Automation equipment may remain in service for many years, while the parts list continues to change as machines are modified, product series are updated and component manufacturers discontinue older models.
Factory maintenance teams frequently face the following problems:
‑Critical PLC or drive models are not kept in local stock.
‑Too much capital is tied up in low-priority components.
‑Product descriptions are incomplete or inconsistent.
‑The same component is recorded under several internal names.
‑Model suffixes and hardware versions are missing.
‑Different production lines use multiple automation brands.
‑Small orders are divided among too many suppliers.
‑International freight is repeatedly paid for individual items.
‑An obsolete model is discovered only after it fails.
‑Spare products are stored without corresponding machine records.
‑Existing PLC programs and drive parameters have not been backed up.
‑Purchased products cannot be traced to an order or production line.
‑Stored electronic components are affected by unsuitable packaging or conditions.
A practical MRO plan does not require purchasing every component listed in a machine manual. The first step is to distinguish production-critical parts from products that can be ordered through normal purchasing channels.
Critical Spare-Parts Classification
The number of spare parts held locally should reflect production impact, delivery time, product availability and replacement difficulty.
|
Criticality Level |
Typical Situation |
Suggested Procurement Approach |
|
Critical A |
A failure stops the complete machine or production line |
Keep a confirmed local spare or establish an emergency supply plan |
|
Important B |
A failure reduces capacity, but temporary operation remains possible |
Maintain limited stock or arrange planned replenishment |
|
Routine C |
The product is readily available and failure has limited impact |
Purchase according to normal maintenance demand |
|
Obsolete Risk |
The product is discontinued or supply is becoming unstable |
Review remaining stock and possible successor models |
|
Repairable Asset |
The product is valuable and can potentially be repaired |
Consider one rotating spare while the failed unit is repaired |
Products Included in Our MRO Supply Scope
PLCs and Control Modules
PLC CPUs and programmable controllers
Digital input and output modules
Analog input and output modules
Remote I/O modules
Communication modules
Safety controllers and safety I/O
PLC power supplies
Racks, backplanes and base units
Memory cards and programming accessories
Related products: 【Siemens PLC Controller】 【Schneider Modicon PLC】
HMI and Industrial Computer Products
HMI touch panels
Operator panels
Industrial displays
Panel PCs
Embedded industrial computers
HMI communication cables
Mounting and connection accessories
Related products: 【B&R HMI and Human-Machine Interface】 【BECKHOFF Industrial PC】 【B&R Industrial PC】
Variable Frequency Drives
Variable frequency drives
Low-voltage AC drives
Drive control units
Operator keypads
Communication cards
Braking components
Cooling fans and drive accessories
Related products: 【Schneider Altivar Series VFDs】 【Eaton Frequency Converter】
Servo and Motion Control Products
Servo drives
Servo motors
Motion controllers
Encoder interfaces
Motor power cables
Feedback cables
Servo system accessories
Related products: 【BECKHOFF Servo Drive】 【B&R Servo Drive】 【B&R Servo Motor】
Industrial Communication and Electrical Components
EtherCAT terminals
Fieldbus modules
Industrial communication modules
Circuit breakers
Motor protection circuit breakers
Switch disconnectors
Relays and contactors
Industrial power supplies
Related products: 【BECKHOFF I/O Modules】 【B&R I/O System】 【Eaton Circuit Breaker】 【Eaton Motor Protection Circuit Breakers】 【ABB Motor Protection Circuit Breaker】
Multi-Brand MRO Supply Network
Industrial factories rarely use one automation brand exclusively. Different machines may have been purchased at different times or built by several equipment manufacturers.
Our main product resources cover:
Siemens,Beckhoff,B&R,ABB,Schneider Electric,Eaton,Emerson,Honeywell,Omron,Mitsubishi Electric
Other automation brands can be included in the same MRO list. Availability is checked according to the complete part number, quantity, required condition and delivery schedule.
Customers do not need to create a separate purchasing process for each brand. Mixed requirements containing PLCs, HMIs, drives, servo components and electrical products can be reviewed through one supply contact.
Our MRO Spare-Parts Supply Process
1. Collect Existing Parts Information
Customers can provide:
Current warehouse inventory,Maintenance spare-parts BOM,Installed equipment list,Previous purchasing records,Electrical component schedule
PLC rack configuration,Machine spare-parts manual,Product label photographs,Planned shutdown requirements
Excel is recommended for larger lists, although PDF files, screenshots and images can also be reviewed.
2. Standardize Product Records
Each item is organized according to its brand, complete model, quantity and related equipment.
During this stage, we identify:
Duplicate products,Missing part-number suffixes,Incorrect brand descriptions,Unclear product quantities,Models requiring label photographs
Hardware or firmware-sensitive products,Discontinued product series,Items that may require a replacement review
Using complete and consistent product records reduces errors during future quotation, purchasing and replenishment.
3. Separate Critical and Routine Items
The customer identifies the production importance of each component. We provide supply-side information such as:
Current availability,Estimated sourcing time,Available product condition,Supply stability,Obsolete or discontinued status,Possible successor series,Inspection options,International shipping considerations
Critical components with long or uncertain delivery times should normally be reviewed before routine products.
4. Prepare the Procurement Plan
Based on the customer's maintenance priorities, products can be divided into:
Immediate inventory replenishment
Planned periodic purchasing
Scheduled shutdown requirements
Emergency-only components
Obsolete parts requiring advance sourcing
Products awaiting replacement review
Routine parts purchased on demand
This structure helps prevent both excessive purchasing and critical stock shortages.
5. Consolidate Multi-Brand Requirements
Customers can combine different brands and product types into one MRO list. Each product is checked separately and shown clearly in the quotation.
The quotation may include:
Complete part number,Available quantity,Product condition,Unit price,Preparation time,Inspection options,Warranty terms,Shipping status,Relevant remarks,Stock items, products requiring sourcing and unavailable models are identified separately.
6. Inspect Products Before Consolidation
Products received from different supply channels are checked against the confirmed order before they are combined for shipment.
Inspection may include:
Complete model verification,Quantity checking,Label and version review,Packaging inspection,Appearance and terminal inspection,Basic electrical checks,Power-on or functional testing where applicable,Product and serial number photographs,Specific inspection requirements should be confirmed before the order is placed.
MRO Procurement Models
1.Routine Inventory Replenishment
Suitable for factories that review automation inventory monthly, quarterly or according to consumption. The required quantities are submitted, and current availability and pricing are reconfirmed.
2.Planned Shutdown Supply
Products required for annual maintenance or scheduled production shutdowns are prepared according to the installation date. Long-lead and obsolete components should be submitted early.
3.Production Line Spare Kit
A combination of PLCs, I/O modules, HMIs, drives and electrical components can be organized for one machine or production line. Each part is connected to its equipment application.
4.Multi-Site Procurement
Companies operating several factories can consolidate common product requirements while maintaining separate factory codes, quantities and delivery instructions.
5.Legacy Equipment Support
Older production lines may require discontinued PLC modules, HMI panels or drives. These products can be handled through 【Obsolete Automation Parts Sourcing】.
Our MRO Supply Chain Advantages
1.Multi-Brand Consolidation
Products from different automation brands can be combined into one quotation, inspection process and shipment.
2.Model-Level Record Management
Products are handled according to the complete part number, suffix and available version information instead of general descriptions.
3.Small and Mixed Quantities
MRO lists commonly contain one or two units of many different models. These mixed requirements can be consolidated into one order.
4.Obsolete Parts Resources
Discontinued and hard-to-find components can be checked through additional supply channels instead of being removed from the list without review.
5.Transparent Supply Status
Confirmed stock, sourcing products, long-lead items and unavailable models are shown separately.
6.Inspection Before Delivery
Products are checked against the approved order before packing. Available electrical or functional testing can be arranged according to the component.
7.Flexible Shipping Arrangements
Critical parts, routine replenishment and planned maintenance products can follow separate delivery schedules.
8.Repeat Purchasing Support
Previous product lists and order records can support later replenishment, while current pricing and availability are reconfirmed for every order.
Industries We Support
Our MRO automation spare parts supply service is suitable for:
‑Automotive manufacturing
‑Lithium battery production
‑Semiconductor and electronics manufacturing
‑Food and beverage processing
‑Packaging machinery
‑Water and wastewater treatment
‑Petrochemical and metallurgical operations
‑Textile, printing and paper production
‑Logistics and conveyor systems
‑CNC machining
‑General industrial manufacturing
Information Required for an MRO Review
|
Required Information |
Details |
|
Brand |
Product brand |
|
Complete Part Number |
Full model including all suffixes |
|
Installed Quantity |
Number currently used in the factory |
|
Existing Local Stock |
Quantity already held as spare parts |
|
Required Quantity |
Current replenishment requirement |
|
Machine or Production Line |
Equipment using the component |
|
Criticality |
Production impact if the product fails |
|
Required Date |
Maintenance or replenishment deadline |
|
Product Condition |
Required condition |
|
Destination |
Delivery country or factory location |
|
Remarks |
Hardware, firmware, testing or packaging requirements |
Customers can begin with one critical machine or production line. The MRO list can be expanded after the initial product records have been organized.
Frequently Asked Questions
Q:What does MRO mean in industrial automation?
A:MRO means maintenance, repair and operations. It covers the components required to maintain equipment, replace failed parts and support normal factory operation.
Q:Can you review our existing spare-parts list?
A:Yes. We can organize the list by brand, complete model, quantity and supply status and identify products with incomplete information.
Q:Can you determine how many spare parts our factory should keep?
A:The final quantity should be determined by the customer's engineering and maintenance team. We provide availability, sourcing time and discontinuation information to support the decision.
Q:Can one MRO order include several brands?
A:Yes. PLCs, HMIs, drives, servo products and electrical components from different brands can be combined into one quotation.
Q:Do you accept small-quantity orders?
A:Yes. Many maintenance orders contain only one or two units of several models. Small and mixed quantities are accepted subject to availability.
Q:Can you support regularly repeated orders?
A:Yes. Customers can submit monthly, quarterly or maintenance-based replenishment lists. Current pricing and availability are reconfirmed for each order.
Q:Can critical products be shipped first?
A:Yes. Partial delivery can be arranged when critical items are available earlier than routine or longer-lead products.
Q:Can you source discontinued MRO components?
A:We can check available inventory and established supply channels for obsolete parts. Availability depends on the exact model, version, condition and required quantity.
Q:What warranty is available?
A:Warranty and RMA terms depend on the product model, condition and supply source. Applicable terms are confirmed before order placement.
Submit Your MRO Spare-Parts List
Send us your current inventory list, maintenance BOM or critical spare-parts requirement. You can begin with one production line or submit a complete multi-brand list covering several machines or factory locations.
Our team will organize the models, check available supply resources and prepare a structured quotation according to your replenishment and delivery priorities.