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Manufactured in China since 2009 — High-performance diamond segments, wire saws, blades, core bits, and polishing systems for granite, marble, concrete, quartz, and more.
Xiamen Roma Diamond Tools Co., Ltd. is a professional manufacturer and exporter of diamond tools in China, established in 2009. Our factory is located in Quanzhou, Fujian Province — the largest diamond tool manufacturing base in the country. Our export office operates from Xiamen, a major seaport and international logistics hub, ensuring fast and reliable global delivery.
We specialize in R&D, production, and export of high-quality diamond segments, wire saws, saw blades, core drill bits, grinding wheels, profiling tools, and polishing pads. With advanced brazing, sintering, and electroplating technologies, our products serve stone fabricators, quarries, construction firms, and CNC workshops worldwide.
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Engineered for precision, durability, and maximum efficiency across stone, concrete, metal, and ceramic applications.
24x6x8mm, 24x7.5x10mm – Ideal for hard marble & travertine. Fast cutting, long lifespan, optimized for Iran market.
Vacuum Brazed | High Concentration
Multi-wire and single-loop configurations for quarry block cutting, slab slicing, and reinforced concrete demolition.
Electroplated Beads | 3-8mm Diameter
930mm diameter blades for heavy-duty concrete and asphalt overlay cutting. Laser-welded steel core for stability.
Laser Welded | Segment Height 10-12mm
Wet/dry use bits from 10mm to 1500mm. Perfect for reinforced concrete, masonry, and stone drilling.
Sintered | Tungsten Carbide Body
Resin-bonded pads (50# to 3000#) for granite, marble, and engineered stone. Dry or wet use, USA market spec.
Resin Bonded | Matt & Gloss Finish
A30, Q30, Dupont French Ogee, Half Bullnose – Precision edge grinding for marble and granite countertops.
Vacuum Brazed | CNC Ready
125mm multi-purpose cutting and grinding disc. No flange needed. Ideal for angle grinders and CNC machines.
Single Layer | High RPM Rated
4-inch 100mm snail-back brushes with diamond or silicon carbide for texturing travertine, limestone, and slate.
Snail Back Mount | Flexible ShankTrusted by professionals in over 60 countries for reliability, innovation, and value.
Premium diamond grit, advanced bonding, and strict QC ensure long life and consistent performance.
Strategic location in Xiamen enables fast sea and air shipping to global markets.
Factory-direct pricing with no middlemen. High value without compromising quality.
OEM/ODM services available. We tailor tools to your machine, material, and performance needs.
Our tools are designed for granite, marble, travertine, limestone, basalt, sandstone, concrete (including rebar), asphalt, ceramic, porcelain, quartz, and various metals.
Yes, we provide full OEM and ODM services. We can customize logos, packaging, segment design, and bonding methods to meet your brand and technical requirements.
Sintered tools have diamonds mixed into metal powder and pressed under heat. Vacuum brazed tools have diamonds laser-welded to the surface, offering sharper cutting and longer life for precision applications.
We recommend sharing your machine model, RPM, material type, and desired cut speed. Our engineers will recommend the optimal segment geometry, bond hardness, and diamond concentration.
For quotes, samples, or technical support, contact our sales team directly.
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