Audited Supplier
Our High Quality D2 Cutting Blades and Knives, crafted from the finest, wear-resistant materials, are meticulously enhanced through processes of forging, heat treatment, and precision grinding. These slitting blades epitomize excellence, showcasing unmatched accuracy and durability. With superior resistance to oil, heat, and acid/alkali, they promise long-lasting use without deformation. Their extraordinary precision makes them perfect for slitting ultra-thin materials and those with delicate, sensitive surfaces.
We offer bespoke OEM services alongside tailor-made solutions crafted uniquely to your technical drawings or samples, ensuring your specific needs are meticulously met.
Processing Precision of Slitting Blades and Knives:
Surface Roughness :≤ 0.002mm
Flatness and Parallelism: ≤ 0.001mm
The blades' heat treatment hardness is finely tuned to match the blade material and the thickness of the cutting material, enhancing performance.
Advanced Heat Treatment Methods: Utilizing cutting-edge vacuum deoxidation and salt bath furnace treatment to ensure optimal blade quality.
Available Materials for Circular Blades and Knives: We offer a wide range including SKH-9, SKD-11, LD, W6Mo5Cr4V2AL, H13K, M42, K30, ASP60 powder alloy steel, along with other custom materials to suit your 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 |
Material and blade hardness are pivotal in determining the quality and longevity of blades. At Zhejiang Qinghao Intelligent Machinery Co., Ltd., we leave no stone unturned in ensuring superior product quality, from meticulous material selection to the finished product. Below is a detailed material correspondence table for your reference:
Our rigorous product inspections before packaging ensure every blade and knife is in immaculate condition. Coupled with our specialized export packaging, we guarantee utmost safety, perfectly designed to shield against potential damage during transit.
Renowned for their reliable quality and stable performance, Qinghao blades and knives are backed by over 30 years of extensive manufacturing expertise across various industrial applications. Trusted in industries like metal, wood, food, paper, packaging, printing, rubber, non-woven, recycling, and metallurgy, our products significantly reduce costs and save you valuable time.
Over decades of growth, we've fostered a professional and experienced technical team ready to provide solid technical support and specialized solutions for any cutting challenges you may face.
Our cutting-edge heat treatment processing techniques, together with our proprietary patent technology, ensure our blades and knives deliver superior cutting performance.
We offer comprehensive OEM/ODM and customized services, meticulously crafted to meet your unique cutting requirements and needs upon request.
1. Are you a manufacturer?
Yes, Qinghao is an ISO-9000 certified blade and knife manufacturer located in the picturesque Hangzhou area of Zhejiang province, China. With over 30 years of expertise, we are a cornerstone in the blade and knife manufacturing industry.
2. How long has Qinghao been established?
Qinghao was founded in the 1990s by Mr. Xuefu Rui. Over the past three decades, we have grown into a leading manufacturer in the blade industry, expanding our product range from a single series to multiple series, and extending our market reach from domestic to international arenas.
3. What services does Qinghao provide?
In addition to our standard blades and knives, Qinghao offers OEM, ODM, and customized services tailored to meet the unique cutting requirements and needs of our customers.
4. How can I work with Qinghao?
Our dedicated sales team and engineers will collaborate with you to understand your specific blade requirements in detail. Sharing technical drawings or samples will greatly enhance the initial discussions.
Once both parties agree on the technical specifications of the blades and knives, we will provide a detailed quotation for your reference.
Upon confirmation of the contract and receipt of payment, we will commence production preparations and execute the order as per the contract terms.
Your goods will be delivered within the agreed timeframe via sea, air, or express shipping.
Post-delivery, we offer a tracking service to monitor the blade's performance at your site, ensuring optimal use.
5. How can I arrange a factory visit?
Our factory is located in Tongxiang city, Zhejiang, China, approximately one hour by car from Xiaoshan International Airport. We can arrange for a car to pick you up from the airport upon your arrival. We warmly welcome you to visit our factory for a business trip.
