Hanchang Machinery (Shanghai) Co., Ltd.
UnclaimedShanghai-based rubber seal manufacturer supplying O-rings, FKM and FFKM seals with material, tooling and custom-manufacturing capabilities.
Models and supply data
Supplier models remain separate from standard sizes. Verification covers the maintained evidence only and never changes engineering ranking or verdicts.
No public models are maintained yet. Use the RFQ to ask about custom or stocked capability.
Documents and evidence
Datasheets, certifications, tests, quality evidence and cases are versioned. Check each document's scope, validity and exact compound.
No public evidence documents are maintained.
Material capabilities
Manufacturing capabilities
Certifications
Industries
Location
No. 688 Shuangbai Road, Minhang District, Shanghai, China, Shanghai, Shanghai, 201108, China
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Data provenance and engineering independence
This page organizes public supplier information; it does not imply a manufacturer claim, certification or endorsement by O Ring Design. Identity, verification and commercial-partnership labels never affect dimensional closeness, engineering match scores or qualification verdicts.
Source: official manufacturer websitePublic-data snapshot updated: 2026-09-10