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Our Manufacturing Partnership

While we operate internationally under our brand, our heavy-duty abrasive products are manufactured in exclusive partnership with Jinshi Abrasive Company, our core production facility located in Zhejiang, China.

This strategic integration ensures every product supplied through our platform benefits from direct-from-factory pricing while fully complying with European safety requirements. The certificates displayed on this page are officially issued to our manufacturing facility, reflecting the exact production standards of the cut-off wheels and grinding discs you receive.

MPA Hannover Safety Certifications

Our bonded abrasive products are strictly tested and approved by MPA Hannover (Germany), an internationally accredited laboratory for grinding tool testing. Click any certificate image to view in full size.

Click to enlarge
MPA Z-13525A · Historical

Flat Cutting-Off Wheels Type 41 for Inox — 115 mm

Certificate No.
Z-13525A/17
Test Report
S 7157 A1
Issued
2017-07-07
Specyfikacja
Ø 115 mm × 1.2 mm (Bore: 22.23 mm)
Max Speed
80 m/s
Standard
EN 12413:2007 + A1:2011
Verify at MPA Hannover
Click to enlarge
MPA Z-13525B · Historical

Flat Cutting-Off Wheels Type 41 for Steel — 180 mm

Certificate No.
Z-13525B/17
Test Report
S 7157 A2
Issued
2017-07-07
Specyfikacja
Ø 180 mm × 3.2 mm (Bore: 22.23 mm)
Max Speed
80 m/s
Standard
EN 12413:2007 + A1:2011
Verify at MPA Hannover

Note on certificate validity: Certificates Z-13525A/17 and Z-13525B/17 represent our original MPA type approval history. MPA Hannover requires regular re-testing to maintain certification currency. These historical certificates establish our long-standing compliance with EN 12413 standards. Please contact us for the latest test reports.

How We Ensure Consistent Quality

Every batch undergoes systematic validation before shipment. Our quality process is structured around the same standards tested by MPA Hannover.

Kontrola surowców

Strict incoming quality control for fiberglass reinforcement mesh, bonding resins, and abrasive grains — aluminum oxide, zirconia, and silicon carbide — verified against batch specifications before entering production.

Destructive Speed Testing

Routine batch testing at speeds exceeding standard operating RPM confirms burst resistance and structural integrity. This directly mirrors the destructive testing methodology applied by MPA Hannover during type approval.

Dimensional Precision

Continuous tolerance monitoring ensures stable fitting, balanced rotation, and accurate arbor alignment. Deviations exceeding ±0.1mm are flagged for rejection, preventing vibration and operator risk in the field.

Bond System Validation

Resin-bonded, vitrified-bonded, and hybrid formulations are tested for curing consistency, hardness uniformity, and cutting performance across different material types: carbon steel, stainless steel, and non-ferrous metals.

Safety Labeling Compliance

All wheels are labeled in accordance with EN 12413 marking requirements, including maximum operating speed, wheel type, dimensions, and the MPA Z-mark where applicable, ensuring end-users operate within rated parameters.

Pre-Shipment Export Inspection

Final verification prior to packing confirms product specification match, quantity accuracy, and export packaging integrity. Smart barcode labeling enables end-to-end traceability from production batch to delivery.

Frequently Asked Questions

Common questions from distributors and industrial buyers about our certifications and OEM capabilities.

Why does the commercial invoice company name differ from the manufacturer on the certificate?
Our international sales, export documentation, and billing are handled by our dedicated export entity. This ensures smooth customs clearance and multi-currency transactions globally. The manufacturing and technical certifications are held directly by our joint-venture factory, Zhejiang Jinshi Abrasive Joint-Stock Company. Both entities operate together to provide you with direct-from-factory pricing and certified quality — the certificate is the proof of what you actually receive.
Can we order products under our own OEM brand?
Yes. We provide full OEM/ODM services including your custom label, mesh color, packaging design, and specific abrasive formulations. OEM orders are produced within the same production lines and maintain the core safety and performance standards reflected in the certificates shown on this page. Trial orders start from 500 pieces.
What does MPA Hannover certification mean for the end user?
MPA Hannover is an internationally accredited testing laboratory based in Germany. When a bonded abrasive product carries an MPA Z-mark, it means an independent laboratory has physically tested samples at and beyond their rated operating speed, and confirmed they meet EN 12413 — Europe's primary safety standard for bonded abrasive products. For distributors selling into EU markets, this is the most credible third-party safety credential a supplier can provide.
Can you provide test reports for specific product specifications?
Yes. For standard sizes with existing MPA certification, we can provide copies of the relevant test reports. For custom specifications or sizes not currently listed, please contact us — we will advise on the testing and documentation options available for your target market.

Ready to Upgrade Your Abrasive Supply?

Contact us for technical data sheets, certified product samples, or a custom OEM quotation. Our team typically responds within one business day.

© 2025 Cut-Off Wheel Manufacturer. Manufacturing partner: Zhejiang Jinshi Abrasive Joint-Stock Company, Wuyi, Zhejiang, China.  |  Certified to MPA Hannover standards (EN 12413).

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