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Certifications & Compliance
Hangzhou Jiansen Hardware Co., Ltd. maintains a documented quality and compliance system verified by third-party audits:
- ISO 9001 Quality Management System — certified, audited 2022
- National High-Tech Enterprise — certified by the Ministry of Science and Technology, 2020–2023
- Technology-Based SME — official designation, Zhejiang Province
- Enterprise Credit Rating Certificate
- Registered Trademark "JIANSEN" — registration valid 2018–2028
- Product Compliance: RoHS, SGS, CE, EN71 test reports available on request
Utility Model Patents (8)
Our R&D team holds 8 granted utility model patents covering barn door and sliding door hardware engineering:
- Sliding door track cleaning device — Patent No. 202320383760X
- Anti-wobble sliding door track — Patent No. 2022235314697
- Easy-install sliding door anti-swing device — Patent No. 2022235315219
- Barn door anti-swing device — Patent No. 2023200574903
- Automatic self-locking mechanical lock
- High-strength detachable table leg
- Barn door hanging track cover — Patent No. 2023202058054
- Adjustable-spacing barn door hanging track — Patent No. 2023202911403
Factory Facts
- Established: 2004 (20+ years in hardware manufacturing)
- Location: Xindeng Town, Fuyang District, Hangzhou, Zhejiang, China
- Capability: OEM / ODM for barn door hardware, gate hardware, garage door hardware, metal furniture legs, pergola brackets, shelf brackets and custom sheet-metal fabrication
- Production lead time: 15–30 days (standard), 30–45 days (large-volume orders)
