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  1. Home
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  3. KYONI CO.,LTD. tokyo,kanawgawa,chib,gunma,yamagata,nagoya,shanghai
  4. Release of a case study collection on cutting processing of cutting-edge EV components by Zhengzhou Diamond, the largest PCD and CBN tool manufacturer in China.
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  • Jul 06, 2022
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Jul 06, 2022

Release of a case study collection on cutting processing of cutting-edge EV components by Zhengzhou Diamond, the largest PCD and CBN tool manufacturer in China.

KYONI CO.,LTD. KYONI CO.,LTD. tokyo,kanawgawa,chib,gunma,yamagata,nagoya,shanghai
China is the world's leading country in EV adoption, accounting for approximately 45% (about 3 million units) of global EV sales. This is a collection of cutting case studies from Zhengzhou Diamond, which supplies a variety of diamond tools for EV components. Zhengzhou Diamond is China's largest manufacturer specializing in PCD and CBN tools, supplying diamond tools to 90% of automotive manufacturers in China (foreign, Japanese, and local), and has a wealth of experience in tools for processing EV components. We will introduce cutting case studies for motor covers and motor rear cases. Since its entry into the Japanese market in 2009, it has been adopted by major automotive manufacturers, tier 1 suppliers, and large construction machinery manufacturers.
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Product Line for Zhengzhou Diamond EV | KYONI's China Procurement

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鄭州EV加工事例1.jpg

Zhengzhou Diamond PCD/CBN Tool Cutting Processing Case Studies for EV Parts

A collection of cutting case studies from Zhengzhou Diamond, which supplies a large number of diamond tools for EV parts in China, where EVs are most widely adopted. There are also delivery records in Japan!

China is the world's leading country in EV adoption, accounting for approximately 45% of global EV sales (around 3 million units). Zhengzhou Diamond is China's largest manufacturer specializing in PCD and CBN tools, supplying diamond tools to 90% of automotive manufacturers in China (foreign, Japanese, and local), and has a wealth of experience in tools for processing EV components. We will introduce examples of cutting processes for motor covers and motor rear cases. Since its arrival in Japan in 2009, it has been adopted by major automotive manufacturers, tier 1 suppliers, and major construction machinery manufacturers.

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30% reduction in tool costs! Zhengzhou Diamond PCD Tool Adoption Case Studies in Japan

Zhengzhou Diamond tools achieve high quality comparable to Japanese manufacturers and a cost reduction of about 40%! We will introduce successful achievements and case studies in Japan!

【Features of Zhengzhou Diamond】 - China's No. 1 manufacturer specializing in CBN and PCD special tools - Proud of a supply record to over 85% of automotive engine manufacturing plants in China (including not only local manufacturers but also foreign and Japanese companies) - Possesses numerous state-of-the-art tool grinding machines and inspection equipment from Europe - Has a dedicated team for the Japanese market, ensuring stable quality and short delivery times - Materials are sourced from Element 6 and GE 【Sales in Japan】 Kyoni Co., Ltd. serves as the official sales agent in Japan, arranging special tools, providing technical support, and managing regrinding. Since starting sales in Japan in 2008, we have sold to numerous customers and achieved reductions in tool costs. See the successful results achieved with Zhengzhou Diamond tools with your own eyes!

  • Other cutting tools

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Kyōni's Chinese tools! Brake disc rotors, drum processing CBN chips.

Achieved a 30% cost reduction with the same lifespan and quality as Japanese-made CBN tool manufacturers! Currently adopted by major brake parts manufacturers and truck manufacturers.

Kyoni Co., Ltd. has been engaged in the import and sales of high-quality Chinese tool manufacturers with price advantages to Japan since 2005, and has a track record of supplying to over 1,000 customers nationwide. For brake components such as disc rotors and CBN tools for drum processing, we have a wealth of delivery records in China and Europe, and our products are adopted by major brake component manufacturers and commercial vehicle manufacturers in Japan, achieving tool lifetimes that are 5 to 10 times longer compared to Japanese ceramic chips. Additionally, the lifespan is comparable to Japanese-made CBN tools, while we offer them at a reasonable price that is 30% lower. The Chinese tool manufacturers we propose are "Beijing World Diamond" and "Zhengzhou Diamond," both of which are among the largest specialized manufacturers of diamond tools in China. They supply special tools for engine and automotive parts processing to many automotive manufacturers in China (foreign, Japanese, and local). While they can manufacture extremely high-precision tools, they have achieved approximately 30% cost reduction compared to Japanese manufacturers and are adopted by major automotive manufacturers and parts manufacturers in Japan as well. We are confident that our tools match or exceed the lifespan and precision of Japanese manufacturers, so please start with a test to try them out.

  • Engine parts
  • Brake parts
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Related catalog(3)

Zhengzhou Diamond PCD/CBN Tools for EV Parts - Case Studies in Cutting Processing Achieving 30% Cost Reduction Compared to Japanese Manufacturers!

Zhengzhou Diamond PCD/CBN Tools for EV Parts - Case Studies in Cutting Processing Achieving 30% Cost Reduction Compared to Japanese Manufacturers!

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Achieving a 30% cost reduction for PCD and CBN tools! Zhengzhou Diamond Case Studies in Japan

Achieving a 30% cost reduction for PCD and CBN tools! Zhengzhou Diamond Case Studies in Japan

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Zhengzhou Diamond Company Profile and Product Introduction [One of the largest PCD and CBN tool manufacturers in China!]

Zhengzhou Diamond Company Profile and Product Introduction [One of the largest PCD and CBN tool manufacturers in China!]

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KYONI CO.,LTD.
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96 WJacket Tubes 0.5ml Type

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We would like to introduce the '96 WJacket Tubes 0.5ml Type' handled by FCR and Bio Co., Ltd. This product is a tube with a 2D code that is autoclavable and compatible with DMSO and liquid nitrogen vapor. We also offer a TPE integrated screw cap (Internal type) available in six colors, so please feel free to contact us if you have any requests. 【Features】 ■ Polypropylene ■ Autoclavable ■ DMSO compatible ■ Compatible with liquid nitrogen vapor ■ Capacity: 0.5ml *For more details, please download the PDF or feel free to contact us.

Nov 19, 2025

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A must-see for those in the automotive and construction machinery industries! Low-pressure fuse 'SBFC-ET'

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The low-voltage fuse "SBFC-ET" is a slow blow fuse that can withstand temporary overcurrents and only blows under continuous overcurrents. It is particularly effective for devices in automobiles where the current temporarily increases significantly. It is suitable for fuel pumps, washer pumps, and similar applications. This low-voltage fuse is recommended for those facing circuit protection challenges in the automotive industry, construction machinery industry, and for low-voltage fuses (below DC70V).

Nov 19, 2025

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■■ Air Leak Tester | FLA-0200 / FLA-0201 series ■■ Fukuda's new flagship model. Equipped with mastering correction function, it enables high-precision measurements in a short time.

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Fukuda's new flagship model. - Masterless type (FLA-0200 series) - General type (FLA-0201 series) Two models of air leak testers. With the mastering correction function, high-precision measurements can be achieved in a short time. Please take a look at the catalog.

Nov 19, 2025

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PFAS Regulation Countermeasures! ■■ Leak Test Equipment for Small Electronic Components|MSA-0101 series ■■ Does not use fluorinated inert fluids. PFAS-free. Offers accuracy equal to or better than liquid immersion testing.

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● This is a leak testing device for small electronic components that does not use fluorinated inert liquids (PFAS-free). ● There is no longer a need for unstable visual confirmation through liquid immersion testing. It adopts a quantitative testing method that allows for stable pressure leak testing. ● It is a tabletop leak testing device specifically for gross leaks, with accuracy equal to or greater than that of liquid immersion testing. ● The detectable range is approximately 1×10⁻² Pa·m³/s to 1×10⁻⁶ Pa·m³/s (varies depending on the target product). ● It is suitable for sealed structures ranging from a few millimeters to a maximum of 80 × 70 mm. Please feel free to contact us for more information!

Nov 19, 2025

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Casting prototype and casting repair.

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  • COMPANY

The "Mechanical Stitching Method" by Nichinichisui Road Machinery Co., Ltd. is a new technique that allows for the repair of metal cracks without the application of heat. By using special bolts and reinforcement plates, cracks are physically removed, and repairs are made without affecting the base material with heat. Repairs can be carried out in environments where open flames cannot be used. Since no heat is applied, the disassembly of equipment is minimized. ◎ For more details, please contact us. ◎ If a detailed technical explanation is needed, please contact us.

Nov 19, 2025

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