Certified to every code 通过您项目所需的
An integrated management system, a CNAS-accredited laboratory and approvals from the world’s leading notified bodies and classification societies.一体化管理体系、CNAS 认可实验室，以及全球领先公告机构与船级社的认可。
16 approvals. One standard.16 项认证，一个标准。
Certificate copies are available to registered customers and EPC vendor-qualification teams on request.证书副本可向注册客户及 EPC 供应商资格审核团队提供。
9001
14001
45001
3834
Approvals and references listed are subject to verification per project; contact us for current status.所列资格与业绩以具体项目核实为准，请联系我们了解最新状态。
A laboratory recognised in 100+ economies.在 100 多个经济体获得互认的实验室。
Our CNAS-accredited lab is a signatory of the ILAC MRA — test reports are accepted by authorities and inspectors worldwide.我们的 CNAS 认可实验室为 ILAC 互认协议签约方——检测报告获全球主管机构与检验方认可。
| Chemical化学成分 | OES · XRF PMI · C/S analyser |
| Mechanical力学性能 | Tensile · Charpy −196 °C · Hardness HB/HV/HRC |
| Corrosion腐蚀 | ASTM A262 IGC · G48 pitting · HIC/SSC NACE TM0284/0177 |
| Metallography金相 | Ferrite count · grain size · micro/macro |
| NDE无损检测 | PAUT · TOFD · DR · UT · MT · PT · VT |
| Leak & pressure泄漏与压力 | Helium MS · hydro to 1,500 bar · pneumatic |
| Dimensional尺寸 | CMM 3 m · laser tracker · 3D scanning |
From melt to installation.从熔炼到安装。
Engineer your next loop with YAMAN.与雅曼一起，打造下一条关键管线。
Send your P&ID, isometrics or MTO. Our application engineers return a technical-commercial offer within 48 hours — material, standards, testing and delivery fully specified.发送 P&ID、管道轴测图或材料清单（MTO），我们的应用工程师将在 48 小时内提供技术与商务报价——材质、标准、检测与交期全部明确。