Caption: R&D engineers at Shengtai Machinery reviewing custom cartoning machine designs for an OEM client
Introduction
Standard cartoning machines work for most applications. But if your product has unusual dimensions, requires special handling, or needs to integrate with an existing automated line, you need OEM or ODM customization. The question is: what can Chinese factories actually deliver, and where do the limits lie?
Wenzhou Shengtai Machinery has provided OEM and ODM services since 2013, with customization options ranging from minor adjustments to full machine redesigns. This article explains the real scope of customization available, the process, timelines, and costs—so you can set realistic expectations before engaging a supplier.
OEM vs. ODM: Understanding the Difference
OEM (Original Equipment Manufacturing)
In an OEM arrangement, you provide the design, specifications, and sometimes the engineering drawings. The factory manufactures the machine to your exact blueprint. This is common when:
- You are a machinery brand that outsources production
- You have an in-house engineering team with a complete design
- You need private labeling with your brand name and colors
ODM (Original Design Manufacturing)
In an ODM arrangement, the factory handles both design and manufacturing based on your functional requirements. You describe what the machine needs to do; the factory engineers the solution. This is common when:
- You know your packaging requirements but lack mechanical engineering expertise
- You need a modification of an existing standard model
- You want the factory to leverage its existing IP and patents
Shengtai Machinery offers both OEM and ODM services, with full customization, customization from samples, customization from designs, and minor customization options available.
What Can Be Customized?
Mechanical Modifications (Most Common)
Modification |
Typical Lead Time |
Cost Impact |
Carton size range adjustment |
1–2 weeks |
+5–10% |
Product feeding mechanism redesign |
3–4 weeks |
+15–25% |
Sealing method change (tuck-end ↔ glue) |
1–2 weeks |
+5–8% |
Conveyor width and speed adjustment |
1 week |
+3–5% |
Additional inspection stations |
2–3 weeks |
+10–15% |
Special material handling (fragile, sticky, irregular) |
4–6 weeks |
+20–35% |
Electrical and Control Customization
PLC brand preference
- : Switch from Siemens to Allen-Bradley or Schneider (+1,500)
HMI language
- : Custom interface in your local language (included or +$300)
Integration protocols
- : Add Ethernet/IP, Profinet, or Modbus for line integration (+2,000)
Vision inspection system
- : Add camera-based carton verification (+8,000)
Remote monitoring
- : IoT module for production data tracking (+3,000)
Aesthetic and Branding Customization
Machine color and finish
- : Custom paint color to match your brand (+500)
Private label nameplate
- : Your brand name instead of the factory's (+300)
Custom user manual and documentation
- : In your language and format (+800)
The Customization Process: Step by Step
Phase 1: Requirements Definition (1–2 weeks)
- Submit your product samples, carton samples, and production requirements
- Define speed, accuracy, and integration needs
- Agree on technical specifications and acceptance criteria
Phase 2: Engineering Design (2–4 weeks)
- Factory engineers create 3D models and 2D drawings
- Design review with your team (video conference)
- Finalize BOM and component specifications
Phase 3: Manufacturing and Assembly (4–6 weeks)
- CNC machining of custom parts
- Component procurement (long-lead items may extend timeline)
- Assembly and wiring on dedicated build station
Phase 4: Testing and Commissioning (1–2 weeks)
- Factory acceptance test (FAT) with your product and cartons
- Performance verification against agreed specifications
- Adjustments and fine-tuning
Phase 5: Delivery and Installation (2–4 weeks shipping)
- Export-grade wooden crating
- Ocean freight to your port
- Remote or on-site installation support
Total lead time for a custom machine: 10–18 weeks depending on complexity, compared to 4 weeks for standard models.
Real-World Customization Examples from Shengtai
1. Sanitary napkin linkage line: A European hygiene products buyer needed a fully automated line that connected their existing wrapper to a cartoning machine with counting and orientation modules. Shengtai engineered a custom linkage system with air supply at 0.5–0.8 MPa and a total footprint of 4,200 × 1,430 × 1,740mm.
2. Cylinder box tissue packaging: A Middle Eastern tissue converter required a machine that could handle cylindrical tissue boxes with rapid changeover (10–20 minutes). Shengtai adapted their standard horizontal model with a specialized rotary feeding mechanism, achieving 80 boxes/min stable speed.
3. Cube box facial tissue machine: A Southeast Asian buyer needed 120 packs/min for cube-shaped facial tissue boxes with PLC-controlled quick changeover. The custom model was delivered within 12 weeks from order to shipment.
When Customization Is NOT the Right Choice
Custom machines are powerful, but they're not always the best option:
Budget below $15,000
- : Custom engineering costs make small budgets impractical.
Urgent delivery needed (< 6 weeks)
- : Standard models ship in 4 weeks; custom machines need 10+ weeks.
Unproven product format
- : If your product or carton design is still in flux, wait until it's finalized before customizing.
Single machine with no repeat order
- : Factories prioritize customization projects with potential for repeat business.
Conclusion & Next Step
OEM and ODM customization from Chinese cartoning machine manufacturers is a mature capability. With clear specifications, realistic timelines, and a trusted partner like Shengtai Machinery, you can get a machine that fits your exact production needs without the premium pricing of European or American custom builders.
Have a custom packaging requirement? Send us your product and carton samples for a free engineering consultation → Our R&D team will provide a feasibility assessment and quotation within 48 hours.
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