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Metallographic Sample Grinding and Polishing Machine Metallurgical Grinder Polisher
US$355.00
1 Piece

Product specifications

Size

Sample price:US$999.00/piece.Request sample

Product profile

Customization

Available

Type

Metallurgical Grinder Polisher

Power Source

Electricity

Model NO.

HJ

Application

Laboratory

Material

Steel

Variable Speed

With Variable Speed

Abrasive Paper Diameter

φ230mm

Working Mode

Dual-Disc Linkage

Cooling Mode

Water Cooling

Motor Power

0.75/0.55kw

Transport Package

Fumigation-Free Standard Export Wooden Box

Trademark

Hongjin

Origin

China

Production Capacity

1000 Sets/ Month

Key features

Dual-disc Linkage Operation: Equipped with left grinding and right polishing discs for simultaneous two-person operation.
Integrated Water Cooling: Features a cooling device to prevent sample overheating and structural damage during grinding.
Fiberglass Shell Design: Sturdy, durable, and corrosion-resistant shell ensures long-term reliability in laboratory settings.
Fixed Speed Control: Offers two fixed speeds: 600r/min for grinding and 450r/min for polishing.
Large Working Surface: Provides ample space on the polishing disc for efficient sample preparation.
Standard Export Packaging: Comes in a fumigation-free standard export wooden box for safe international shipping.
Customizable Power Input: Standard AC380V 50Hz with optional AC220V configuration available.
Compact Benchtop Design: Dimensions of 760*740*340mm make it suitable for labs, factories, and research institutions.

Company profile

Dongguan Hongjin Test Instrument Co., Ltd.
High Repeat Buyers ChoiceFull CustomizationStandardized quality controlProduct Certification
Business Type: Manufacturer/FactoryExport Year: 2016-07-10Nearest Port: Shenzhen, GuangzhouAverage Response Time: ≤1.09hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, EXW

AI-Powered supplier vetting

SummaryThe supplier is identified as a manufacturing factory in Dongguan, with manufacturing-related associated companies and a combined company structure. It provides 3D design, OEM, ODM, and multiple customization options, but reported no new products in the past year and has no SDK. Production support includes valid contracts with associated subcontractors, 12 qualified service-capability suppliers, documented assessment procedures, and stated lead times of within 15 working days in both peak and off-season; another record states peak-season order fulfillment takes one month. Quality controls include random finished-product inspection, two QA/QC inspectors, standardized inspection instructions, CE certification, and ISO 9001:2015. The supplier has export sales, but no inventory, overseas warehouse, overseas showroom, overseas agents or branches, or offline trade-show participation. Financial credibility cannot be determined from the non-financial evidence provided.
Supplier typeThe supplier is explicitly identified as a factory located in Dongguan, while its associated companies are in manufacturing and the company type is recorded as combined. This supports classification as a manufacturing-oriented supplier rather than a purely trading entity.
CertificationsThe supplier holds CE certification for product compliance and an ISO 9001:2015 management-system certificate. It also reports an environmental impact assessment report and fire-drill activity, providing direct evidence of product, quality-management, and selected sustainability-related credentials.
Production capacityThe supplier has valid manufacturing-capacity contracts with each associated subcontractor, lists 12 qualified service-capability suppliers, maintains written assessment procedures and records, and reports lead times within 15 working days in both seasons. Its facility includes lathes, milling machines, and threading machines; however, a separate record states peak-season fulfillment takes one month, creating inconsistent lead-time evidence.
Customization capabilityThe supplier explicitly offers customization from samples, full customization, minor customization, flexible customization, and customization from designs. It also provides 3D design services and ODM/OEM services, directly supporting a broad customization offering.
Client casesThe supplier states that it provides OEM services for well-known brands, which is direct evidence of brand-customer experience. No specific customer names, projects, volumes, or independently verifiable case details are provided.

Product Q&A

Q:Can this machine be operated by multiple people?
A:
Yes, the dual-disc linkage working mode allows two people to operate the machine simultaneously.
Q:What is the cooling method used?
A:
The machine uses water cooling to prevent sample overheating and preserve the metallographic structure.
Q:What are the disc rotation speeds?
A:
The right grinding disc rotates at 600r/min, and the left polishing disc rotates at 450r/min.
Q:Is the voltage customizable?
A:
Yes, while the standard input is AC380V 50Hz, AC220V is customizable.
Q:What is the material of the machine shell?
A:
The shell is made of fiberglass, which is sturdy, durable, and corrosion-resistant.

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*To:Dongguan Hongjin Test Instrument Co., Ltd.Dongguan Hongjin Test Instrument Co., Ltd.
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