About Zhejiang Karui Machinery Co., Ltd.
Zhejiang Karui Machinery Co., Ltd.—your trusted partner for premium saw chains and guide bars since 2018. Based in Zhuji City, Zhejiang Province, China, we’re proudly backed by ROSHOW Technology (stock code: 002617), a Top 500 Chinese machinery leader and national high-tech powerhouse.
As a premier China saw chain manufacturer, we specialize in designing, producing, and supplying top-grade saw chains, guide bars, and chainsaw accessories.
Leveraging China’s cutting-edge saw chain technology, advanced automation, precision manufacturing, and thorough quality testing, we ensure every product meets global standards for durability, sharpness, and safety—right from the drawing board to your doorstep.
Committed to technological excellence and continuous improvement, we uphold the ISO9001:2015 quality management system.
Our dedicated teams—covering IQC, IPQC, FQC, and QA—drive relentless quality enhancements, empowering global customers with high-performance cutting solutions that exceed expectations. Partner with Karui for precision-engineered tools that power your success.
Machining 100+
Assembly Line 25+
Test bench 15+
Labor 120+
Engineer 8
Management 27
Saw chain 6 M Loops
Guide bar 2 M pcs
Others 240K
Company Milestones
Company Milestones
Our quality policy is built on four pillars that guide every decision, ensuring industry-leading consistency and service life.
Professional
Design guided by expertise
Precise
Manufacturing with accuracy
Durable
Performance that lasts
Safe
Operation without compromise
By integrating ISO 9001 and adhering to CE & UL standards, we deliver products with lower total cost of ownership for the most demanding applications.
Quality Policy & Standards
Full-Process Control Points
Advanced Testing Laboratory
Traceability System
Continuous Improvement
Delivering Confidence
Critical Control Points: From Steel to Shipment
We map and monitor quality at every value-adding stage, ensuring a closed-loop system that keeps defect propagation near zero.
Raw Material
Steel inspection
Stamping
Steel inspection
Heat Treatment
Microstructure guarantee
Pre-Assembly
Part gauging
Final Test
Simulated load & code scan
A closed-loop MES dashboard automatically holds or releases parts, ensuring only products that pass all gates reach our customers.
Continuous Improvement: From Daily Reviews to Six Sigma
Daily Reviews
Cross-functional teams review KPIs. Any deviation triggers a mini-Kaizen event on the spot.
8D Process
Formal complaints trigger an 8D: acknowledgment in 24h, a-cause in 72h, and a permanent fix in 7 days.
Six Sigma
Black-Belt projects focus on critical quality, cutting defect PPM from 120 to <50.
Lessons learned are shared globally, ensuring improvements propagate across all plants.
Meet Our Global Partners
Relying on our advantage in R&D, quality, price, delivery and service, KAKEI gets the trust from customers from domestic and abroad.
Corporate Values
At zhejiang karui machinery, as a dedicated manufacturer of high-performance saw chains, guide bars and garden tools, our core values guide every cut we make and every innovation we forge. We are committed to Excellence in Quality, crafting precision-engineered products that withstand the toughest demands of forestry and industrial applications, ensuring reliability that our customers can trust.
Safety First
We prioritize the well-being of our team,partners, and end-users through rigorousstandards and proactive riskmanagement.
Driven by innovation
We invest in cutting-edge research toadapt to evolving technologies likeelectrification and smart tools, stayingahead in a dynamic industry.
Integrity & Collaboration
Our foundation is built on this value,fostering transparent relationships withsuppliers, employees, and stakeholdersto achieve shared success.
Sustainability
We embrace this value by activelyexploring and adopting eco-friendlymaterials and processes in ourproduction operations, taking concreteactions to protect the forest ecosystemswe serve.
