What materials can be polished using this powder?

It is suitable for polishing sapphire, silicon, ceramics, metals, and processing magnetic head materials.

Does the powder leave scratches on the workpiece?

No, due to the ball shape of the surface, no scratches will be left on the workpiece.

Polycrystalline Diamond Powder by Blasting for Polishing Loose Gemstone

Name: Polycrystalline Diamond Powder by Blasting for Polishing Loose Gemstone
Brand: SINO ZHENG INDUSTRIAL INC.
SKU: 790152572

Henan, ChinaSINO ZHENG INDUSTRIAL INC.

US$0.69-0.99

500 Carat

Sample price:US$0.99/carat.Request sample

Product profile

Customization

Available

Type

Diamond

Classification of Diamond

Artificial

Model NO.

HID PD

Characteristic

Hight Temperature

Characteristics of Natural Diamond

Hight Pressure

Application

Superfine Polishing

Delivery Time

3-5 Business Days

Color

Dry,Grey,Black

Pruity

99.9%

Hardness

Superabrasives

Transport Package

Bottle

Specification

ISO 9001

Trademark

Harmony

Origin

Zhengzhou China

HS Code

71051020

Production Capacity

1, 000, 000 Carat/Year

Key features

High Grinding Efficiency: Grinding efficiency is 2 to 4 times higher than single crystal diamond.

Scratch-Free Polishing: No scratches left on workpiece surface due to ball-shaped particle surface.

High Toughness & Hardness: Features high toughness, high self-sharpening, and high hardness like natural black diamond.

Versatile Applications: Ideal for sapphire, silicon, ceramics, metals, magnetic heads, and fiber optic connectors.

Electroless Plating Capability: Can be plated on inner walls of workpieces with superior wear resistance.

Fast Delivery Time: Standard delivery time is 3-5 business days.

Company profile

Importers and ExportersFast DeliveryR&D Capabilities

SINO ZHENG INDUSTRIAL INC.

Henan, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2015-05-25Nearest Port: ZHENGZHOU, QINGDAO, SHANGHAIAverage Response Time: ≤6.46hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, CPT, EXW

AI-Powered supplier vetting

SummarySINO ZHENG INDUSTRIAL INC. is identified as both a trading company and manufacturer/factory in China, offering magnesium wheels, welding wire, heatsinks, anodes, plates, and related products. It reports ISO 9001 and ISO 14001 certifications, more than 10 production lines, 6–10 R&D engineers, and 6–10 quality-control staff. Export activity is established, with 71%–90% of sales from exports, self-operated import/export rights, exports beginning in 2015, and markets across the Americas, Europe, and Southeast Asia. Product descriptions and company information indicate technical expertise in magnesium materials and welding processes. However, overseas service infrastructure, 3D design, OEM/ODM, after-sales capability, and customization are not sufficiently documented. The audit record identifies BV, but the stated evaluation result is 0, which should be treated cautiously.

Supplier typeThe supplier is explicitly classified as both a Trading Company and Manufacturer/Factory, indicating combined commercial and manufacturing functions. Its listed product portfolio is centered on magnesium products.

CertificationsThe supplier lists ISO 9001 and ISO 14001 management-system certifications. A BV audit is also recorded with validity from September 10, 2025 to September 9, 2026, but the audit evaluation result is stated as 0, so the audit outcome itself does not provide positive assurance.

R&D capabilityThe company describes technological, product, and process innovation, including a one-time extrusion process for 1.2 mm magnesium welding wire and efforts to expand magnesium applications. It also reports 6–10 R&D engineers, but 3D design, new-product development status, ODM, and OEM capabilities are marked unknown.

Production capacityThe supplier reports more than 10 production lines, 6–10 quality-control staff, and stated output for magnesium welding wire and forged magnesium wheels. It also reports off-peak lead times within 15 working days and peak-season fulfillment of 2–3 months, supporting an established production operation, although the production figures should be interpreted as self-reported.

Client casesTwo records identify the same buyer, CÔNG TY CỔ PHẦN HUY MINH, associated with specified cathodic-protection alloy products imported into Vietnam. These records provide evidence of an associated buyer and product transactions, but they do not establish the scale, duration, performance, or breadth of customer references.