
About Sino Seiko
Professional PCD/PCBN Cutting Tools Manufacturer Since 2005
20+
Years of Experience
50+
Countries Served
100+
Product Models
ISO
Certified Quality
Company Overview
Sino Seiko Co., Limited is located in Zhengzhou, Henan Province β the largest superhard materials manufacturing hub in China. With over 20 years of experience in the cutting tool industry, we have grown from a local supplier to a trusted global partner for PCD/PCBN superhard materials.
We specialize in research, development, production, and sales of PCD (Polycrystalline Diamond) and PCBN (Polycrystalline Cubic Boron Nitride) cutting tools. Our product range serves industries including automotive, aerospace, machinery manufacturing, woodworking, mining, and oil exploration.
With reliable local manufacturers and an advanced PDC performance testing laboratory, Sino Seiko provides practical cutting tool solutions that meet the diverse needs of global customers. We are committed to delivering consistent quality, competitive pricing, and responsive technical support.

Company History
From a local workshop to a global cutting tool supplier
ποΈ 2005 β Founded
Established in Zhengzhou, Henan β the heart of China’s superhard materials industry. Started with PCD cutting tool trading and technical support.
π¬ 2010 β Testing Lab
Opened our own PDC performance testing laboratory. Started offering custom cutting tool design services based on customer application data.
π 2015 β Global Expansion
Began exporting to Southeast Asia, Middle East, and Europe. Built partnerships with reliable manufacturers for consistent product quality.
π Now β Trusted Partner
Serving clients in 50+ countries. Full range of PCD, PCBN, PDC, and diamond abrasives. Lifetime technical support and custom solutions.
Why Choose Sino Seiko
Leading manufacturer of PCD/PCBN superhard cutting tools with reliable local supply chain and advanced testing laboratories
π Factory Direct
Direct from China’s largest superhard materials hub in Zhengzhou. Competitive pricing with no middlemen.
π¬ Advanced Testing
In-house PDC performance testing laboratories ensure every product meets strict quality standards.
π Global Reach
Trusted by clients in 50+ countries across automotive, aerospace, mining, and manufacturing industries.
π§ Custom Solutions
Tailored cutting tool designs based on your specific application requirements and material specifications.
β‘ Fast Delivery
Standard products in stock. Custom orders shipped within 7-15 working days after confirmation.
π Full Support
Lifetime technical support, from product selection and cutting parameter optimization to after-sales service.
Our Quality Commitment
Every product undergoes rigorous quality control before delivery
- Raw Material Inspection β All diamond and CBN materials inspected upon arrival with full traceability
- Process Control β HPHT sintering parameters monitored and recorded for every batch
- Dimensional Inspection β Precision measurement of every tool against design specifications
- Performance Testing β In-house cutting tests to verify tool life and surface finish
- Final Quality Check β Visual inspection, packaging verification, and documentation review before shipment
Interested in Working With Us?
Contact our engineering team for custom cutting tool solutions and competitive pricing
