Amapayipi nokufakwa kwamapayipi

Amapayipi nokufakwa kwamapayipi

Sine-API, ASME, AWS, Aramco certified mechanical and welding engineers abajwayelene ne-API 5L, ASTM A53/A106/A333, JIS, BS series, API 5CT series, ASME SA-106, SA-192M, SA-210M, SA-213M, SA-335, GB3087, GB5310 uchungechunge, amapayipi okokufaka namaflange njenge-ASME B16.5, ASME B16.9, ASME B16.11, ASME B16.36, ASME B16.48, ASME B16.47A/B, MSS-SP-44, MSS-SP-95, MESS -SP-97, uchungechunge lwe-DIN, kanye nezinga lendawo lamanye amaklayenti, njenge-DEP, DNV, IPS, I-CSA-Z245, GB/T 9711 njll. Singakhava insiza yokuhlola...