Kamfanin Nantong High-Medium Matsi Valve Co., LTD.,An kafa shi a shekarar 1965. Tare da tsohon masana'anta mai fadin murabba'in mita 38000 da kuma sabbin masana'antu masu fadin murabba'in mita 49000 a Nantong. NHMPV ta ƙware wajen samar da bawul ɗin ƙofa, bawul ɗin duniya, bawul ɗin duba, bawul ɗin ƙwallo, tacewa, bawul ɗin toshewa, da sauransu, matsakaicin diamita shine inci 72, matsakaicin matsin lamba tare da 4500LB.
Yanzu NHMPVyana da takardar shaidar Tsarin Inganci na ISO 9001; takardar shaidar tsarin kula da muhalli na ISO14001; takardar shaidar tsarin kula da lafiya da tsaro na aiki na ISO 45001 da takardar shaidar lasisin kera kayan aiki na musamman na Aji A1. NHMPV ya sami cancantar Cibiyar Man Fetur ta Amurka API 6D, API 600, API607, API6FA, PED CE, Rasha TR-CU, Kanada CRN da SIL Tsaro Inganci Level Certification da sauransu.
NHMPVita ce kaɗai kamfanin da aka keɓe don kera bawul na shahararren rukunin bawul na Hitachi Metals a Japan kuma mai ƙera bawul na Powell Valves na Amurka, gami da samfuran bawul ɗin ƙarfe na carbon da bawul ɗin bakin ƙarfe bisa ga Ka'idojin Masana'antu na Amurka da na Japan.
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