Zhejiang Qinghao Intelligent Machinery Co., Ltd.
Our cutting blades and slitting knives are designed to meet the diverse needs of the market. With options such as aluminum mesh, copper mesh, cold/hot roll mesh, galvanized mesh, stainless steel mesh, titanium alloy mesh, and more, our products offer excellent anti-collapse performance, high toughness, strong wear resistance, and precise cutting accuracy for expanded metal holes. They are built to last, providing a longer service life and reducing replacement frequency.
Features:
- Good anti-collapse performance
- High toughness
- Strong wear resistance
- High accuracy for expanded metal holes
- Longer service life
- Less replacement frequency
Blades Heat Treatment Hardness:
Dependent on blade material and thickness of the cutting material
Heat Treatment Method:
Vacuum deoxidation treatment and salt bath furnace treatment
Materials Available:
SKH-9, SKD-11, LD, W6Mo5Cr4V2AL, H13K, M42, K30, ASP60 powder alloy steel, and custom materials
Remark: We offer customized and OEM services to meet individual customer requirements and needs.





Blade Quality Assurance
At Zhejiang Qinghao Intelligent Machinery Co., Ltd., we prioritize material and blade hardness to ensure top-notch quality and extended service life. Our meticulous approach spans from material selection to the final product, guaranteeing superior performance. Refer to the material correspondence table below for detailed information:
Material Type | Blade Hardness |
---|---|
Steel | 60 HRC |
Aluminum | 45 HRC |
Titanium | 55 HRC |


Zhejiang Qinghao Intelligent Machinery Co., Ltd.
At Zhejiang Qinghao Intelligent Machinery Co., Ltd., we conduct rigorous product inspections before packaging to ensure that every blade and knife is in pristine condition. Our products are carefully placed in secure export packaging to prevent any potential damage during transportation.





Why Choose Qinghao Blades and Knives?
- Qinghao cutting blades and slitting knives boast reliable quality and stable performance, backed by over 30 years of manufacturing experience across various industries such as metal, wood, food, paper, packaging, printing, rubber, non-woven, recycling, and metallurgical sectors. Using Qinghao blades and knives can save you both cost and time.
- With decades of development, Zhejiang Qinghao Intelligent Machinery Co., Ltd. has assembled a professional and experienced technical team capable of providing technical support and solutions for cutting work challenges.
- Professional heat treatment processing techniques and patented technology ensure excellent cutting performance for the blades and knives.
- OEM/ODM/customized services are available upon receiving your specific cutting requirements and needs.



Welcome to Zhejiang Qinghao Intelligent Machinery Co., Ltd.
Zhejiang Qinghao Intelligent Machinery Co., Ltd. is an ISO-9000 certified blade and knife manufacturer based in Hangzhou, Zhejiang province, China. With over 30 years of experience in the industry, we offer a wide range of high-quality blades and knives to meet your cutting needs.
Key Features:
- Established in the 1990s by Mr. Xuefu Rui
- Leading manufacturer with a diverse product range
- Customized OEM/ODM services available
- Experienced sales and engineering team
- Efficient production process and timely delivery
- Tracking service for blade use condition
How to Work with Us:
- Contact us with your detailed blade requirements
- Receive a quotation based on technical details
- Confirm the contract and make payment
- Production preparation and order fulfillment
- Delivery by sea, air, or express
- Tracking service post-delivery
Visit Us:
If you wish to visit our factory in Tongxiang city, Zhejiang, China, we can arrange a pick-up from Xiaoshan International Airport, located approximately 1 hour away. We welcome you to explore our facilities and discuss potential business opportunities.