Diametro nominale: NPS1''~4''（DN25～100） Pressione nominale: Class 150~1500(PN20~250) Materiale principale: ASTM A105, A350 LF2, A182 F304, A182 F316, A182 F6A A182 F51, A182 F53, A564 630(17-4PH), lega monel ecc.
Per saperne di piùSafety and economical industrial valve solution” is Ouyi’s eternal quality policy and objective. Based on international and domestic industrial standards and customer requirements, we set up higher internal quality assurance standards to implement comprehensive and full quality management. OUYI already executed the full process quality control covered whole producing process which are from raw material purchasing, producing process, completed products inspection, test & tracing to after service. The inspection and tests include: Copyright © LiShui OuYi Valvola Co. Ltd All rights reserved Privacy Policy
