I-TH-Valve Nantong yasekwa ngo-1965. Sizingcali ekuveliseni ivalve yesango, ivalve yeglowubhu, ivalve yokukhangela, ivalve yebhola, ivalve ye-cryogenic / i-low-low, i-strainer, i-valve yeplagi, kunye nobubanzi ukusuka kwi-2 "ukuya kwi-72" kunye neklasi yoxinzelelo. ukusuka 150LB ukuya 4500LB.I-TH-Valve Nantong sele ithumela kumazwe angaphandle ukususela ngo-1989, kwaye ngokuthe ngcembe yafumana iziqinisekiso ze-API 6D, i-API 600, i-API 6FA, i-API 607, i-API 6FD, i-PED/CE, i-TR-CU kunye ne-ATEX yemarike yaseYurophu, i-CRN yaseCanada njl. nokuba uphi na emhlabeni, siyavuya ukukunika iimveliso ezisemgangathweni kunye neenkonzo zobungcali.