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Product profile
Customization
AvailableMaterial
DiamondAbrasive
SuperabrasiveModel NO.
MBCW-ASStandard
5''Grit
16#,20/25, 25/30,30/40Bond
Soft Bond, Medium Bond, Hard BondEquipment
Angle GrinderWorking
Dry or WetPacking
20-30PCS/CartonTransport Package
CartonSpecification
4.5", 5"or7"with7/8", 5/8"-11 & M14Trademark
SinostarOrigin
ChinaHS Code
6804210000Production Capacity
5000pieces/MonthKey features
Aggressive Grinding Performance: Fast cutting with high-quality diamond abrasive powder for efficient thin coating removal.
Customizable Bond Types: Soft, medium, hard, and ultra-soft bonds available upon request for specific needs.
Wide Grit Selection: Coarse grit options ranging from 16# to 30/40 for various grinding purposes.
OEM & ODM Service: Custom manufacturing services available to meet specific brand and product requirements.
Versatile Application: Suitable for dry or wet grinding on concrete, stone, and masonry surfaces.
Quality Assurance: Each piece is carefully checked and balanced before packing for stable performance.
Flexible Sizing: Available in 4.5, 5, and 7-inch diameters with various arbor types; custom sizes available.
Efficient Floor Prep: Ideal for moving thinset and preparing floors in a single step.
Company profile

Sino Star (Zhengzhou) New Materials Co., Ltd.Henan, China
Business Type: Manufacturer/FactoryExport Year: 2012-07-13Nearest Port: Shanghai, QingdaoAverage Response Time: ≤8.56hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, CIF
AI-Powered supplier vetting
SummarySino Star (Zhengzhou) New Materials Co., Ltd. is identified as a China-based manufacturer/factory and limited company located in Zhengzhou, Henan. The supplier focuses on synthetic diamond products and diamond tools, with stated experience in research, development, and production, ten production lines, and export activity beginning in 2012. It reports ISO 9000 and ISO 9001 management-system certifications, export sales of 71%–90%, and markets across multiple regions. Evidence supports established production and export capability, but the provided information does not adequately demonstrate after-sales service, financial credibility, customization capability, or specific customer cases.
Supplier typeThe supplier is described as both a trade company and a Manufacturer/Factory, with the formal company name Sino Star (Zhengzhou) New Materials Co., Ltd. Its stated business centers on synthetic diamond powder and diamond tools, including cutting, grinding, polishing, and core-drilling products.
CertificationsThe supplier reports holding ISO 9000 and ISO 9001 management-system certifications. These certifications provide explicit evidence of formal quality-management-system implementation.
R&D capabilityThe supplier explicitly emphasizes innovation and reports 30 years of studying, researching, developing, and producing experience, supported by 6–10 years of R&D engineer experience and advanced production and inspection equipment. This supports a demonstrated product-development and technical-improvement capability.
Production capacityThe supplier reports ten production lines, experience in producing synthetic diamonds and diamond tools, off-peak lead time within 15 workdays, and peak-season fulfillment in one month. These stated resources and lead times provide explicit evidence of established production capability.
Product Q&A
Q:What are the available grit sizes?
A:
We offer coarse grit options starting from 16# up to 30/40.
Q:Can I customize the bond type?
A:
Yes, soft, medium, hard, and ultra-soft bonds are available upon request.
Q:What equipment is this wheel compatible with?
A:
It is designed to be installed on angle grinders for use.
Q:Is OEM or ODM service available?
A:
Yes, we provide both OEM and ODM services for custom requirements.
Q:What information is needed to place an order?
A:
Please provide size, arbor type, grinding purpose, grit size, wet/dry preference, and grinder RPM.
Send Inquiry
*To:
Sino Star (Zhengzhou) New Materials Co., Ltd.
Sino Star (Zhengzhou) New Materials Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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