Best Diamond vs. Asahi Diamond

Best Diamond vs. Asahi Diamond

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Basic Information

Best Diamond Industrial Co., Ltd.

  • Established: 1980
  • Headquarters: 4F, No. 10, Sec. 1, Chung Hsing Rd., Wugu Dist, New Taipei City, Taiwan 24872
  • Specialization: Diamond, CBN tools, abrasive and precision equipment
  • Applications: Grinding machines, mold & die making, brittle material processing, technology industry, jewelry, art
  • Global reach: Americas, Europe, Japan, Southeast Asia (distributors in Vietnam, Malaysia, Indonesia, China)
  • Source: https://www.besdia.com

Asahi Diamond Industrial Co., Ltd.

  • Established: October 9, 1937
  • Headquarters: 4-1 Kioi-cho, Chiyoda-ku, Tokyo (New Otani Garden Court 11F), Japan
  • Listed: Tokyo Stock Exchange Prime Market (Code 6140)
  • Employees: 2,064 (consolidated, as of March 31, 2025)
  • Main Business: Manufacture/sale of diamond & hard material tools, precision machinery, gemstone processing
  • Net Sales: 41,006 million yen (fiscal year ending March 2025)
  • Source: https://www.asahidia.co.jp/en/corporate/outline/

Awards

  • No publicly listed awards for either company.

Certifications

Best Diamond Industrial Co., Ltd.

  • Has a certifications section, but no specific certifications are listed on the main site.
  • Certification page

Asahi Diamond Industrial Co., Ltd.

  • ISO9001 certification for Quality Management System at all domestic plants and overseas subsidiaries.
  • Certified as “Standard-Compliant General Business Owner” by Tokyo Labor Bureau for next-generation support and promoting women’s activities (“Kurumin” certification mark).
  • Source:

Key Features

Best Diamond Industrial Co., Ltd.

  • Broad product portfolio: Diamond & CBN grinding wheels, polishing tools, ultrasonic lapping machines, pneumatic tools, diamond files, ceramic fiber stones.
  • Serves multiple industries: Grinding, mold & die making, brittle material processing, technology, jewelry/art.
  • Advanced manufacturing and global distribution network.
  • Focused on professional tools for mold makers and machinery (air grinders/lappers, ultrasonic/micromotor systems).
  • Strong customer service and technical support.
  • Source: https://www.besdia.com

Asahi Diamond Industrial Co., Ltd.

  • Comprehensive manufacturer of diamond and CBN tools with advanced R&D.
  • Core industries: Automotive, electronics, semiconductors, construction, jewelry.
  • Key innovations: Ultra-porous metal bond wheels (M-cloud), electroplated wheels (AG wheel), ARVO series, AEROMETAL.
  • Emphasis on customized solutions and continual product innovation.
  • Sustainability and robust quality control across global operations.
  • Source: https://www.asahidia.co.jp

Featured Products

Best Diamond Industrial Co., Ltd.

  • Diamond & CBN Tools: Mounted points, hand/machine files, mandrel discs, polishing stones, compounds, micron powders, foils/cloths, dressing tools.
  • Professional Mold Maker Tools: Ceramic fiber stones/mounted brushes, wood bobs/brushes, polishing felt products, EDM & DF oil polishing stones.
  • Pneumatic Tools: Micro air grinder, air surface grinder, air lapper.
  • Ultrasonic & Micromotor Systems: Ultrasonic lapping machine, micromotor controller.
  • Source: https://www.besdia.com/en

Asahi Diamond Industrial Co., Ltd.

  • M-cloud diamond wheel (SiC wafer grinding)
  • EcoMEP diamond wire (material slicing)
  • AG Wheel (sharpness-focused electroplated wheel)
  • KD Dresser (diamond roller dresser)
  • AEROMETAL (super-porous metal bond wheels)
  • SUNCREA (high-efficiency metal bond for hard materials)
  • FINEMASTER (mirror finish/simultaneous grinding)
  • Electroplated reamer (one-pass honing)
  • Double disc centerless grinding wheels (TafRa)
  • Source: https://www.asahidia.co.jp/en/product-search/

Marketing Focus

Best Diamond Industrial Co., Ltd.

  • Emphasizes comprehensive range and high quality of diamond and CBN tools for professional use.
  • Targets industries requiring precise grinding/lapping/polishing (machinery, mold/die making, brittle materials processing).
  • Highlights strong international sales network and responsiveness to global client needs.
  • Source: https://www.besdia.com/en

Asahi Diamond Industrial Co., Ltd.

  • Focuses on innovation and advanced solutions for manufacturing challenges across diverse industries.
  • Aims to transform manufacturing and contribute to society/environment through technical leadership.
  • Business-to-business (B2B) focus targeting advanced industrial applications in automotive, semiconductor, electronics sectors.
  • Source: https://www.asahidia.co.jp/en/

Technical Strength

Best Diamond Industrial Co., Ltd.

  • Long-standing manufacturing capability and continuous innovation in diamond tool production since 1980.
  • Comprehensive product line supports precision industries with advanced solutions for grinding/polishing/lapping.
  • Strong R&D and production processes ensure consistent quality.
  • Source: https://www.besdia.com/, https://www.besdia.com/en/products

Asahi Diamond Industrial Co., Ltd.

  • Leading global manufacturer with robust R&D and technical innovation.
  • Develops high-performance products (M-cloud wheel, AG Wheel, ARVO series) for complex industrial applications.
  • Dedicated R&D section; expertise spans industries and machining methods.
  • Source: https://www.asahidia.co.jp/en/

Environment / Society / Governance

Best Diamond Industrial Co., Ltd.

  • No detailed public information available.

Asahi Diamond Industrial Co., Ltd.

  • Comprehensive Sustainability Policy covering ESG:
    • Environment: Reduces greenhouse gases/waste; uses renewable energy; complies with environmental laws.
    • Society: Supports human rights/diversity; safe workplace; invests in employee development; engages with communities.
    • Governance: Strong corporate governance/compliance; anti-corruption; fair trade; transparent disclosures; responsible supply chain management (conflict minerals policy).
  • Source: https://www.asahidia.co.jp/en/sustainability/policy/

OEM / ODM / White Label Support

No specific information is publicly available for either company regarding OEM/ODM/white label services.


Pricing

No pricing information is publicly disclosed by either company.


Testimonials

Best Diamond Industrial Co., Ltd.

  • No public testimonials found.

Asahi Diamond Industrial Co., Ltd.

  • “I recently purchased diamond tools for my project from a renowned company’s website and I must say I am impressed. The tools provided by the company are of high quality and perform exceptionally well. I would highly recommend this company for anyone in need of diamond tools.”
  • “I am very impressed with the quality of Asahi Diamond Industrial’s products. Their diamonds are top-notch and provide excellent performance. The customer service is also fantastic…”
  • “I have been using Asahi Diamond Industrial products for a while now… The quality and performance… are commendable. The customer service is also excellent…”
  • “I recently purchased diamond tools from Asahi Diamond Industrial and I am extremely satisfied… The products are of excellent quality and perform exceptionally well…”
  • “The products offered by Asahi Diamond Industrial are great. They have a wide range of diamond tools that cater to various needs…”

Source: Trustburn Reviews

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