3Better Diamond | Premium Diamond Tools & Abrasives

About 3Better Diamond

Changsha 3 Better Ultra-hard Materials Co., Ltd. is a leading manufacturer and exporter of high-performance diamond and cubic boron nitride (CBN) products. With years of expertise in superhard materials, we serve industries ranging from mechanical machining to geological drilling and electronics.

Our commitment to innovation, quality assurance, and customer support has positioned us as a trusted partner for clients across the globe. We recently relocated our headquarters to a modern facility in Changsha, Hunan, enhancing our R&D and production capabilities.

10+

Years Experience

50+

Global Markets

ISO 9001

Certified

Why Choose 3Better?

We combine cutting-edge technology, rigorous quality control, and responsive customer service to deliver superior ultra-hard material solutions.

Quality Assurance

All products undergo strict quality testing and comply with international standards. Our ISO 9001 certification ensures consistent performance and reliability.

Global Sales Network

We serve customers in over 50 countries with efficient logistics and localized support. Our team speaks multiple languages to assist you anytime.

Advanced R&D

Our research team continuously develops new materials and tools, including boron-doped diamond (BDD) and polycrystalline CVD diamond for high-tech applications.

Our Premium Products

Discover our comprehensive range of synthetic diamond and CBN-based tools and materials engineered for durability, precision, and performance.

PCD/ND Wire Drawing Die

High-precision dies for drawing copper, aluminum, and steel wires with exceptional wear resistance and surface finish.

Material: Polycrystalline Diamond

Diamond Segment

High-concentration diamond segments for saw blades used in cutting granite, concrete, and stone with long service life.

Application: Construction & Mining

PCD Saw Blades

Robust PCD-tipped circular saw blades for cutting non-ferrous metals, composites, and abrasive materials.

Type: TCT with PCD Tips

PCD Cutting Tool Blanks

Precision-ground PCD blanks for manufacturing inserts used in CNC machining of aluminum and composites.

Grade: PCD002, PCD025

BDD Electrodes (BDDA)

Boron-doped diamond electrodes for electrochemical applications including wastewater treatment and sensing.

Doping: Boron, High Conductivity

Polycrystalline Diamond Compact (PDC Cutter)

High-impact PDC cutters for drill bits in oil & gas, mining, and geothermal applications.

Size: 1/2", 3/4", Custom

Diamond/CBN Grinding Wheel

High-efficiency grinding wheels for precision machining of hard alloys, ceramics, and hardened steels.

Bond: Resin, Metal, Vitrified

Synthetic Diamond Grit (SMD)

High-purity diamond grits and powders for tool manufacturing, lapping, and polishing applications.

Mesh: 100/120 to 10/5 Micron

Diamond Core Drill Bits

Wet/dry core bits for drilling concrete, masonry, and stone with fast cutting and long life.

Diameter: 12mm to 150mm

PCBN/PCD Insert

Indexable inserts for turning and milling hardened materials with high thermal stability.

Shapes: CNGA, DNGA, SNMG

Polycrystalline CVD Diamond

High-purity CVD diamond plates and films for optical, electronic, and thermal management applications.

Thickness: 0.1mm to 2.0mm

Diamond Polishing Pads

Resin-bonded diamond pads for fine polishing of glass, ceramics, and semiconductor wafers.

Grit: 1µm to 50µm

View All Products

Industrial Applications

Our ultra-hard materials are trusted across critical industries for their durability, precision, and efficiency.

Mechanical Machining

PCD tools, CBN wheels, and inserts for high-speed machining of aluminum, composites, and hardened metals.

Geological Drilling & Mining

PDC cutters, core bits, and wire saws for oil & gas, geothermal, and mineral exploration.

Electronics & Appliances

Diamond dicing blades, polishing pads, and CVD diamond for semiconductor and display manufacturing.

Construction & Building

Diamond segments, core bits, and grinding tools for cutting, drilling, and finishing concrete and stone.

Optical Glass & Gemstones

Precision diamond tools for grinding, lapping, and polishing lenses, mirrors, and gem materials.

Environmental & Energy

BDD electrodes for electrochemical oxidation in water treatment and energy storage systems.

Latest News

October 22, 2025

Export Control Policy for Ultra-Hard Materials

China will implement export controls on certain ultra-hard materials starting November 8, 2025. We are closely monitoring regulations to ensure compliance while continuing to serve international clients efficiently.

October 11, 2025

A New Journey — 3 Better Moves to a New Office

3 Better (Changsha 3 Better Superhard Materials Co., Ltd.) proudly announces the relocation of our office to a modern facility in Changsha, enhancing our R&D and customer support capabilities.

Frequently Asked Questions

Get in Touch

Our professional sales team is ready to assist you with product selection, technical support, and quotations.

Phone & WhatsApp

+86-731-84890200

+86-19908482323 (WhatsApp)

+86-731-84890300

Email

[email protected]

Address

Huachen International Mansion, Wanjiali Rd.(Middle), Yuhua district, Changsha, Hunan, China

Visit Official Website to Contact

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Engineered for Ultra-Hard Performance