Zhejiang Qinghao Intelligent Machinery Co., Ltd.
Our cutting blades and slitting knives are designed to meet the diverse needs of the market, including aluminum mesh, copper mesh, cold/hot roll mesh, galvanized mesh, stainless steel mesh, titanium alloy mesh, and more. With features like excellent anti-collapse performance, high toughness, strong wear resistance, and high accuracy for expanded metal holes, our blades ensure longer service life and less frequent replacements.
Blades Heat Treatment Hardness: Tailored based on blade material and cutting material thickness.
Heat Treatment Method: Utilizing vacuum deoxidation treatment and salt bath furnace treatment.
Material Available for Circular Blades and Knives: SKH-9, SKD-11, LD, W6Mo5Cr4V2AL, H13K, M42, K30, ASP60 powder alloy steel, and custom materials to suit specific requirements.
Customization: We offer personalized and OEM services to meet individual customer needs.











Zhejiang Qinghao Intelligent Machinery Co., Ltd.
When it comes to blade quality and service life, material and hardness play a crucial role. At Zhejiang Qinghao Intelligent Machinery Co., Ltd., we prioritize these factors to ensure top-notch products. Our meticulous approach starts from material selection and extends to the final product. Below is a material correspondence table for your reference:
Material Type | Blade Hardness |
---|---|
Material A | Hardness Level 1 |
Material B | Hardness Level 2 |
Material C | Hardness Level 3 |


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 new and safe condition for export. Our meticulous attention to detail helps prevent any possible damages 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, metallurgical, and more. Using Qinghao blades and knives can significantly save costs and time.
- With decades of development, Zhejiang Qinghao Intelligent Machinery Co., Ltd. has established 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 private cutting requirements and needs.



Welcome to Zhejiang Qinghao Intelligent Machinery Co., Ltd.
Are you looking for a reliable blade and knife manufacturer? Look no further! Zhejiang Qinghao Intelligent Machinery Co., Ltd. is an ISO-9000 certified company based in Hangzhou, Zhejiang province, China, with over 30 years of experience in the industry.
Our Services:
- Standard and customized blades and knives
- OEM/ODM services available
- Personalized cutting solutions
Working with Us:
Our dedicated sales and engineering team will work closely with you to understand your specific requirements. From technical drawings to sample approvals, we ensure a seamless process from start to finish.
Factory Visit:
If you're interested in seeing our operations firsthand, our factory is located in Tongxiang city, Zhejiang, China. We can arrange for transportation from Xiaoshan International Airport, just an hour away. Come visit us and experience our commitment to quality and innovation!