Used Phone Refurbishment Equipment
Turn Scratched Used Phones into Higher-Value Inventory
Miertech provides a complete phone screen refurbishment workflow for used-phone factories, distributors, recycling companies and repair chains. The solution includes two paths: airtight recovery when the screen is broken, and no-disassembly polishing when the original screen is not broken.
Choose the Right Refurbishment Path
Different used phones need different treatment. This page makes the decision simple before customers choose a machine solution.
If the Screen Is Broken
Use the phone airtight recovery equipment. This path is suitable when the screen has already been broken or replaced and the customer needs to restore waterproof / airtight performance after repair.
Watch Airtight Recovery Operation Video
See how the equipment is used after screen repair.
- For broken screen repair and after-screen-replacement service
- Helps recover phone airtightness before delivery
- Suitable for repair shops and refurbishment factories
If the Original Screen Is Not Broken
Choose the no-disassembly polishing workflow. This keeps the phone assembled and helps preserve the value of the original unopened device while improving screen appearance.
Watch No-Disassembly Polishing Video
See how polishing helps restore screen appearance without opening the phone.
- For light, medium and deep screen scratches
- No need to open the phone when the screen is not broken
- Best for Grade D to Grade A appearance improvement
Polishing Machine Comparison
Compare scratch grade, processing speed and suitable use cases before choosing a polishing machine.
Quick Takeaway
All models handle light scratches. Blanket polishing machine supports Grade B and works fast. For Grade B/C/D coverage, choose the wet & dry combo polishing machine.
One Workflow for Used Phone Screen Refurbishment
The page is built for customers who are not only buying one machine, but looking for a repeatable factory process for screen scratch removal, polishing quality and stable output.
1
Waterproof Protection
Before polishing, the device must be protected with waterproof glue to reduce risk from liquid used in the polishing process.
2
Glue Leveling
Glue is applied and leveled so the layer is even. Proper leveling improves polishing efficiency and avoids a thick glue layer blocking scratch removal.
3
Deep Scratch Grinding
For severe scratches, the Miertech deep scratch remover can complete the grinding step in as little as 3 minutes.
4
Screen Polishing
The polishing machine restores clarity, smoothness and brightness after scratch treatment.
5
Inspection and Grading
The final screen condition can help upgrade low-grade used phones toward a cleaner, higher-value appearance.
Core Equipment in the Refurbishment System
These pages and product links help Google understand the relationship between your solution page, product pages and support content.
Phone Screen Polishing Machine
Designed for phone screen polishing, screen buffing and scratch removal in repair shops and refurbishment factories.
iPhone Deep Scratch Remover
A grinding machine for deeper scratches that ordinary polishing cannot handle. It works before final polishing restoration.
Glue Leveling Machine
Levels the glue layer before polishing, helping customers achieve a more stable and efficient repair process.
Grade D to Grade A
Improve Low-Grade Screens Toward Grade A Appearance
In the used-phone market, screen condition directly affects customer impression and resale value. Miertech equipment helps refurbish heavily scratched screens into cleaner, brighter and higher-value phones.
Consumables Developed for the Miertech Workflow
The performance of the equipment depends on a matching process and materials. Miertech provides consumables for waterproof protection, faster polishing and deep scratch treatment.
Waterproof Glue
Used before polishing to help protect the device during liquid-based polishing work.
Polishing Powder
Developed for newer phone screens and designed to improve polishing speed by about 30% compared with previous materials.
Grinding Pad
A Miertech-developed consumable for quickly removing deep scratches, especially for iPhone screen repair workflows.
Built for B2B Refurbishment Customers
Miertech mainly supports larger customers who need production capacity, stable process control and technical training. Smaller customers can also choose a simplified setup based on their volume.
Used Phone Factories
Batch refurbishment workflow for screen scratch repair, grading improvement and quality control.
Wholesalers
Improve inventory appearance before resale and build a more repeatable repair standard.
Repair Chains
Use machine polishing and training to standardize screen repair across multiple locations.
Distributors
Offer equipment, consumables and process knowledge as a complete business solution.
Related Pages and Product Details
These internal links should be kept on the page. They help customers continue reading and help Google understand which pages are important.
Solution Page
Phone Screen Polishing Machine
Complete phone screen polishing workflow and factory solution.
Solution Page
iPhone Deep Scratch Remover
Deep scratch grinding machine for severe screen scratch repair.
Video Page
Phone Polishing Machine Videos
Real polishing, grinding and glue leveling process videos.
Product Page
Glue Leveling Machine
Glue leveling equipment for screen polishing preparation.
Training and Technical Support
Factory Training, Polishing Process and Cooling Solution Support
Miertech can provide on-site teaching and factory-level process setup. For large refurbishment operations, we can help plan polishing, deep scratch treatment, consumables, workflow control and cooling solutions.
Send Inquiry
Build Your Used Phone Refurbishment Setup
Tell us your target phone models, scratch condition, daily capacity and whether you need machine training. Miertech will recommend a suitable equipment and consumables package.