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Some Statistics About Us You Must Know
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19
+
YEARS OF EXPERIENCE
3000㎡+
FLOOR SPACE
160
+
MACHINERY EQUIPMENT
3500
+
SATISFIED CUSTOMERS
Zeyao, a fastener manufacturer with 19 years of experience, is committed to providing high-quality Red Fibre Flat Washers (also known as insulating fiber gaskets) to customers worldwide. We employ advanced manufacturing processes and meticulously design each product to ensure superior performance in various complex environments.
Our Red Fibre Flat Washers are widely used in industries such as motors, transformers, and machinery. They offer excellent oil resistance, high-temperature resistance, resistance to compressive deformation, and insulation properties, making them ideal for industrial sealing and insulation applications.
Zeyao offers comprehensive OEM/ODM customization services, supporting the customization of non-standard fasteners to ensure that we meet the specific needs of our customers in different application scenarios.
Product Picture

Product Parameters:
Material: High-density plant fiber paper + synthetic resin
Color: Red
Density: 1.3-1.5g/cm³
Dielectric Strength: ≥10kV/mm
Operating Temperature Range: -40℃ ~ 120℃
Tensile Strength Retention Rate (1000-hour aging test): >90%
Size: Customizable (Standard size range: Φ5mm ~ Φ100mm)
Surface Treatment: Resin impregnation, compression molding
Applicable Environment: High temperature, oily, solvent-based environments
Application of red fibre flat washers
1. Automobile industry: red steel paper gaskets can be used for sealing of engine valves, cylinder heads, and other parts.
2. Machinery manufacturing industry: red steel paper gaskets can be used for various emission components and pipelines, cooling water systems, oil circuit seals, etc.
3. Petrochemical industry: red steel paper gaskets can be used for various chemical equipment, mechanical seals, etc.
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Why Choose Us?
Here are the reasons why Zeya is your preferred supplier for all your fastener needs:
1. Over 19 Years of Fastener Manufacturing Experience
With nearly two decades of experience in fastener manufacturing, Zeya has accumulated rich technical expertise in the production of every product. Our long-standing experience in the industry enables us to provide not only effective but also innovative solutions.
Whether it's precision-engineered fasteners or custom orders, we deeply understand our customers' needs, ensuring we consistently exceed their expectations.
2. Professional Engineer Design Support with CAD and 3D Design
At Zeya, our team of professional engineers is proficient in CAD and 3D design technologies, ensuring that every fastener precisely meets your specific requirements.
Whether you need standard components or highly customized solutions, our engineers will work closely with you before production to optimize designs, reduce errors, and ensure an efficient transition from concept to production.
3. Custom Production Based on Drawings: Materials, Surface Finishes, and Dimensions
Every project is unique, which is why we offer custom production services, completely tailored to your specific requirements.
We can produce fasteners in various materials according to your needs, including stainless steel, carbon steel, and alloy steel. We also offer a variety of surface treatments such as plating, coating, and anodizing to meet different environmental and aesthetic requirements.
4. ISO 9001:2005 Certified Factory
Zeyao is an ISO 9001:2005 certified factory, meaning our production processes comply with internationally recognized quality management standards.
5. Strict Quality Control: From IQC, IPQC to FQC
To ensure that every fastener meets stringent quality standards, we employ a three-tiered quality control system:
IQC (Incoming Quality Control): All raw materials undergo rigorous inspection before entering the production process to ensure they meet the required specifications.
IPQC (In-Process Quality Control): During production, we conduct continuous inspections to promptly identify and resolve any potential problems, ensuring that all fasteners are produced to precise specifications.
FQC (Outgoing Quality Control): Before the product leaves the factory, we conduct a final inspection to ensure that the product meets performance and appearance requirements.
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