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INSOER

Premium Fasteners

Leading Washers & Fasteners Manufacturer

With 18 years of OEM/ODM manufacturing excellence, Insoer serves global brands across Belt & Road countries. Our ISO 9001 certified facility delivers precision-engineered solutions with 24-hour sampling and flexible MOQ from 500 pieces.

18+

Years Experience

200M+

Annual Production

8

Production Lines

1800m²

Factory Space

Product Range

High-Strength Lock Washers

Butterfly & French Washers

Serrated & Retaining Rings

Custom OEM Solutions

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24-hour sampling service with competitive pricing for global markets.

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Contact Information

Wenzhou, China

sales@insoer.com

ISO 9001 Certified

Annual Procurement: $6M+