Spring washers may be small, but in industries like automotive, construction, and heavy machinery, they play a massive role in ensuring bolt tension and preventing loosening. So when you’re sourcing in bulk, you want a supplier that understands quality, standards, and export readiness.
So here it is: a hand-picked list of Top 10 Spring Washer Manufacturers in China, based on certifications, production scale, export capabilities, and reliability.
Company Overview: Established in 2021, Hengrui is a rising name in spring washer manufacturing. Despite our recent foundation, we carry over 15 years of technical expertise and international trade experience.
Location: Shanghai
Main Products: Spring washers, flat washers, Screw, nuts, washers, and custom fasteners, machined parts, stamping parts
Our factory is ISO 9001 and RoHS certified, with washers manufactured to DIN and ANSI standards. We proudly serve automotive, oil & gas, construction, and heavy equipment clients across North America, Europe, and Asia.
Company Overview: A veteran in the fastener field, OuKaiLuo has been producing high-quality washers since 1999.
Location: Ningbo, Zhejiang
Main Products: Spring washers, flat washers, bolts, nuts
Their products are ISO, RoHS, and SGS certified, and they boast strong capacity and tight QC. A go-to if you need volume + consistency.
Company Overview: Qimu offers a broad range of fasteners with strong attention to standard compliance.
Location: Jiaxing, Zhejiang
Main Products: Spring washers, flat washers, screws, nuts
Their washers are produced to DIN and ANSI standards and widely used in automotive and construction sectors.
Company Overview: Based in Haining, HISENER has been serving global clients since 2004.
Location: Haining, Zhejiang
Main Products: Spring washers, flange nuts, lock nuts
With ISO and CE certifications, they export to over 55 countries. A trusted supplier for buyers focused on Europe and North America.
Company Overview: With decades of manufacturing experience, Jianxin is known for reliability and quality.
Location: Shanghai
Main Products: Spring washers, flat washers, nuts
Equipped with advanced testing and machinery, they cater to mechanical, construction, and industrial clients.
Company Overview: Lizhan is a focused player in the washer and fastener niche.
Location: Hangzhou, Zhejiang
Main Products: Spring washers, flat washers, bolts
They’re ISO 9001 certified and export globally, known for durable performance in industrial settings.
Company Overview: Mike Hardware brings robust manufacturing and global client services.
Location: Dongguan, Guangdong
Main Products: Spring washers, flat washers, screws
Their combination of strict QC + export experience makes them ideal for OEM buyers.
Company Overview: Aozhan offers high-precision fastener solutions since 2005.
Location: Hangzhou, Zhejiang
Main Products: Spring washers, flat washers, bolts
With a focus on R&D and tight tolerances, they serve industries like electronics, automotive, and equipment.
Company Overview: Over 10 years of washer manufacturing make XIYI a dependable choice.
Location: Yangzhou, Jiangsu
Main Products: Spring washers, flat washers, screws
They manufacture to ISO and DIN standards, supplying high-volume buyers.
Company Overview: Prince is a specialist in stainless steel washers.
Location: Shanghai
Main Products: Stainless spring washers, flat washers, general fasteners
Their ISO 9001-certified products are widely used in corrosion-sensitive industries like construction and electronics.
| Company Name | Founded | Main Products | Certifications / Strengths |
|---|---|---|---|
| Shanghai Hengrui Industry Co., Ltd. | 2021 | Spring washers, bolts, Screw, nuts custom fasteners | ISO 9001, RoHS, Global Export |
| Ningbo OuKaiLuo Hardware Co., Ltd. | 1999 | Spring washers, flat washers, bolts, nuts | ISO, RoHS, SGS, High Capacity |
| Jiaxing Qimu Trading Co., Ltd. | N/A | Spring washers, flat washers, screws, nuts | DIN/ANSI, Export-Oriented |
| HISENER Industrial Co., Ltd. | 2004 | Spring washers, flange & lock nuts | ISO, CE, Export to 55+ countries |
| Shanghai Jianxin Hardware Co., Ltd. | N/A | Spring washers, flat washers, nuts | Stable Quality, Advanced Equipment |
| Hangzhou Lizhan Hardware Co., Ltd. | 2009 | Spring washers, flat washers, bolts | ISO 9001, Strong Industrial Application |
| Dongguan Mike Hardware Co., Ltd. | N/A | Spring washers, flat washers, screws | Strict QC, Global Clients |
| Aozhan Industrial Co., Ltd. | 2005 | Precision washers, bolts, custom fasteners | Innovation Focus, Export Ready |
| Yangzhou XIYI Fasteners Co., Ltd. | >10 yrs | Spring washers, flat washers, screws | ISO, DIN, Reliable Volume Supplier |
| Prince Fastener Manufacturing Co., Ltd. | 2010 | Stainless spring washers, flat washers | ISO 9001, Corrosion-Resistant Specialties |
Q1: What standards do Chinese spring washer manufacturers follow?
A: Most follow DIN, ANSI, ISO standards. You should always confirm before ordering.
Q2: Can I get samples before placing a bulk order?
A: Yes. All manufacturers listed here offer samples for quality inspection.
Q3: What materials are commonly used?
A: Spring washers are typically made of carbon steel, stainless steel (304/316), and alloy steel.
Q4: How do I ensure quality control?
A: Look for ISO certifications, material reports, and factory testing capabilities. You can also request third-party inspections.
These 10 manufacturers bring proven track records in quality control, global shipping, and OEM flexibility.
Still unsure which one to choose? I’m Monica from Shanghai Hengrui—happy to help you source the right spring washer partner for your next order.
Contact Hengrui Fastener for Custom Spring washers
For specialized applications that require custom solutions, Hengrui Fastener offers high-quality, customizable Spring washers and fasteners. Whether you need a specific size, material, or finish, Hengrui can provide tailored fasteners to meet your exact requirements. Contact Hengrui Fastener to learn more about our products and services.
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