Nantong High-Medium Pressure Valve Co., LTD.,tọrọ ntọala na 1965. Na ochie factory 38000 square mita na ọhụrụ facotry 49000 square mita na Nantong.NHMPV bụ ọkachamara n'ịmepụta valvụ ọnụ ụzọ, valvụ ụwa, valvụ nlele, valvụ bọọlụ, nzacha, valvụ plọg, wdg, dayameta kachasị bụ 72”, nrụgide kachasị na 4500LB.
Ugbu a NHMPVnwere asambodo nke ISO 9001 Quality System;akwụkwọ nke ISO14001 gburugburu ebe obibi management usoro;Asambodo nke ISO 45001 Occupational Health and Safety Management System na asambodo nke Special Equipment Manufacturing License Class A1.NHMPV enwetawo ntozu nke American Petroleum Institute API 6D, API 600, API607, API6FA, PED CE, Russia TR-CU, Canada Asambodo ọkwa CRN na SIL Security wdg.
NHMPVbụ naanị onye na-emepụta valvụ ahapụtara nke otu valvụ a ma ama Hitachi Metals na Japan na ndị America na-emepụta valvụ nke Powell Valves, gụnyere ngwaahịa a na-atụba valvụ nchara carbon na valvụ igwe anaghị agba nchara dabere na ọkọlọtọ American-Standard na Japanese.