Audited Supplier
Indulge in the precision of our Sharp High Speed Cutting Knives for Paper, meticulously crafted from top-tier wear-resistant materials. Our advanced slitting blades undergo an array of rigorous processes including the art of forging, precise heat treatment, and immaculate precision grinding. These essential steps culminate in unmatched accuracy, formidable durability, and robust resistance to oil, heat, and corrosive elements. Engineered for unparalleled longevity without any deformation, our blades promise precision slitting for even the most delicate materials with sensitive surfaces, ensuring your projects are executed flawlessly.
We proudly offer an extensive range of OEM and custom services, meticulously tailored to align with your technical drawings or samples. This ensures that we deliver personalized, bespoke solutions specifically designed to meet your unique cutting requirements with precision and finesse.
Precision Specifications of Slitting Blades and Knives:
Surface Roughness: ≤0.002mm
Flatness and Parallelism: ≤0.001mm
Heat Treatment Hardness: Meticulously adjusted according to the blade material and the thickness of the cutting material.
Heat Treatment Methods: Featuring advanced vacuum deoxidation and salt bath furnace treatments for superior performance and durability.
Available Materials for Circular Blades and Knives: Choose from a diverse selection including SKH-9, SKD-11, LD, W6Mo5Cr4V2AL, H13K, M42, K30, ASP60 powdered alloy steel, and customizable materials to suit your specific needs.
| Item No. | O.D x I.D x T(mm) | Item No. | O.D x I.D x T(mm) |
| 1 | φ95*φ55*2 | 10 | φ240*φ120*10 |
| 2 | φ105*φ32*3 | 11 | φ260*φ120*10 |
| 3 | φ105*φ52*5 | 12 | φ280*φ160*10 |
| 4 | φ120*φ60*5 | 13 | φ300*φ180*10 |
| 5 | φ160*φ80*5 | 14 | φ320*φ200*10 |
| 6 | φ200*φ100*5 | 15 | φ330*φ200*10 |
| 7 | φ210*φ100*5 | 16 | φ360*φ220*10 |
| 8 | φ220*φ100*5 | 17 | φ380*φ240*10 |
| 9 | φ220*φ120*5 | 18 | φ400*φ260*10 |
Remark: Beyond our standard offerings, we are committed to providing fully customized and OEM services, meticulously crafted to address the unique requirements of each valued customer. Explore our bespoke solutions, designed to seamlessly accommodate your distinct demands.
At Zhejiang Qinghao Intelligent Machinery Co., Ltd., the hardness and quality of our materials and blades are vital to the extraordinary performance and longevity of our high-speed cutting knives and blades for paper. Our process encompasses meticulous attention at every stage, from initial material selection to the finished product. We ensure unrivaled quality through our detailed material correspondence table, available for your reference.
Our commitment to quality is evident in our stringent product inspections prior to packaging. Each blade and knife is securely encased in new, robust export packaging to safeguard against any potential damage during transit. This meticulous attention to detail ensures that our high-speed cutting knives and blades reach you in pristine condition, ready to perform.
Qinghao blades and knives are synonymous with dependable quality and unrivaled performance. With an illustrious legacy spanning over 30 years in the manufacture of a vast array of industrial blades and knives, our products are indispensable across diverse sectors such as metal, wood, food, paper, packaging, printing, rubber, non-woven fabrics, recycling, and metallurgical industries. Choosing Qinghao blades and knives signifies remarkable savings in both cost and time for your operations.
Our journey of relentless innovation has shaped a professional and experienced technical team. Their profound expertise empowers us to offer you unparalleled technical support and tailor-made solutions to overcome any challenges in your cutting operations, ensuring seamless success.
With our proprietary heat treatment processing techniques and patented technology, we guarantee that our blades and knives deliver exceptional cutting performance, setting a new benchmark for excellence.
We provide a comprehensive suite of OEM/ODM/customized services, meticulously designed to meet your unique cutting requirements and needs. Our commitment to precision and excellence ensures we accommodate your specific demands with unmatched expertise.
1. Are you a manufacturer?
Yes, Qinghao is a distinguished ISO-9000 certified manufacturer of blades and knives based in the scenic Hangzhou area of Zhejiang province, China. With over three decades of unparalleled expertise in blade and knife manufacturing, we stand out in the industry.
2. How long has Qinghao been established?
Founded in the dynamic 1990s by the visionary Mr. Xuefu Rui, Qinghao has spent more than 30 years evolving into a trailblazer in the blade industry. From offering a singular product line, we now boast a diverse range that serves both domestic and international markets.
3. What services does Qinghao provide?
Beyond standard blades and knives, Qinghao excels in offering OEM/ODM and fully customized services tailored to meet each customer's unique cutting requirements and specifications.
4. How do I work with Qinghao?
Our dedicated sales and engineering teams will collaborate closely with you to understand all your detailed blade requirements. Providing technical drawings or samples at the initial stage will facilitate thorough discussions.
Upon mutual agreement on the technical specifics of the blade and knife, we will prepare a comprehensive quotation sheet for your review.
Once the contract is finalized and payment is received, we will initiate production preparations and proceed according to the agreed terms.
Your order will be delivered within the stipulated timeframe via sea, air, or express courier services.
Post-delivery, we offer a tracking service to monitor the blades' performance and condition at your site, ensuring continued satisfaction.
5. How can I arrange a factory visit?
Our state-of-the-art factory is situated in Tongxiang city, Zhejiang, China, conveniently near Xiaoshan International Airport. Just an hour's drive away, we can arrange for a car to pick you up upon your arrival. We warmly welcome you to visit our factory for a productive business trip.
