Ua hoʻokumu ʻia ʻo TH-Valve Nantong i ka makahiki 1965. Hoʻokumu ʻia mākou i ka hana ʻana i ka valve gate, globe valve, check valve, ball valve, cryogenic / low temperature valves, strainer, plug valve, me ke anawaena mai 2 "a 72" a me ka papa kaomi. mai 150LB a 4500LB.ʻO TH-Valve Nantong e hoʻokuʻu aku ana mai ka makahiki 1989, a ua loaʻa mālie nā palapala hōʻoia o API 6D, API 600, API 6FA, API 607, API 6FD, PED/CE, TR-CU a me ATEX no ka mākeke ʻEulopa, CRN no Kanada etc. Ma hea ʻoe i ka honua, hauʻoli mākou e hāʻawi iā ʻoe i nā huahana maikaʻi a me nā lawelawe ʻoihana.