About Besdia
Who We Are
Founded on decades of innovation and uncompromising quality, BESDIA (Best Diamond Industrial Co., Ltd.) is a global leader in precision grinding and polishing tools. Established in 2012, Dongguan Jinsanyuan Tools Co., Ltd. serves as the official service hub for BESDIA in Mainland China, dedicated to providing comprehensive sales, technical support, and market maintenance for the full range of BESDIA® products.
Manufacturing Excellence & Brands
With nearly 40 years of expertise in processing super-hard materials, glass, ceramics, and jewelry, we operate advanced manufacturing facilities in Mainland China. Our self-owned brands—ZHAOHE , ZHANZHAO, and STAP—are produced under the same rigorous standards and craftsmanship as BESDIA® Taiwan, ensuring consistent world-class performance for our global clients.
World-Class Quality & Customization
We turn technical challenges into competitive advantages for elite clientssuch as Foxconn, SANAN IC, TSMC, ASUS, MIYA, and TP-Link
Our Core Expertise
High-speed air grinders, reciprocating air lappers, and ultrasonic finishing systems.
Premium Diamond and CBN files, internal grinding wheels, and precision burrs.
Professional ceramic fiber stones, precision oil stones, and specialized riffler files.
High-performance Resin Bond Diamond and CBN wheels.
World-Class Quality & Customization
We turn technical challenges into competitive advantages for elite clients such as Foxconn, SANAN IC, TSMC，ASUS，MIYA, and TP-Link
Certified Reliability:
Our operations and products are backed by ISO 9001, CE, and RoHS certifications.
Bespoke Engineering (OEM/ODM):
We specialize in Non-standard Customization, tailoring tool geometries and bond systems to meet unique client blueprints.
Our Commitment
Guided by the spirit of “Unity, Pragmatism, Innovation, and Service,” and the philosophy of “Quality First, Honoring Contracts,” BESDIA serves customers in over 60 countries. We don’t just sell tools—we provide the power to finish with perfection.
Our Exhibition
