Nantong High-Medium Pressure Valve Co., LTD.,ua hoʻokumu 'ia ma 1965. Me ka hale kahiko 38000 square mika a me ka hou facotry 49000 square mika ma Nantong.He mea kūikawā ʻo NHMPV i ka hana ʻana i ka valve puka, ka valve honua, ka valve check, ka valve ball, ka kānana, ka valve plug, a me nā mea ʻē aʻe, ʻo 72 "ke anawaena kiʻekiʻe me 4500LB.
I kēia manawa ʻo NHMPVloaʻa ka palapala hōʻoia o ISO 9001 Quality System;ka palapala hōʻoia o ka ʻōnaehana hoʻokele kaiapuni ISO14001;ka palapala hōʻoia o ISO 45001 occupational health and safety management system a me ka palapala hōʻoia o Special Equipment Manufacturing License Class A1.NHMPV i loaʻa i nā kūpono o American Petroleum Institute API 6D, API 600, API607, API6FA, PED CE, Russia TR-CU, Kanada CRN a me SIL Security Integrity Level Certification etc.
NHMPVʻO ia wale nō ka mea hana valve i koho ʻia o ka hui valve kaulana ʻo Hitachi Metals ma Iapana a me ka mea hana valve ʻAmelika o Powell Valves, me nā huahana i hoʻolei ʻia i nā pahu kila kila a me nā ʻili kila kila e pili ana i ka American-Standard and Japanese Industrial Standards.