China, API 600, Porta Valvae, Bolt Bonnet, Fabrica, Factory, Pretium, Flexibile, Cuneus solidus, Porta Valve, Bolt Bonnet, Flanged, RF, RTJ, Trim 1, trim 8, Trim 5, Metallum, Sedile, Plena bore; A216 WCB, A351 CF3, CF8, CF3M, CF8M; A352 LCB, LCC, LC2, A995 4A. 5A, A105(N), F304(L), F316(L), F11, F22, F51, F347, F321, F51, Alloy 20, Monel, Inconel, Hastelloy, Aluminium Bronze and other special oflay. Impetus ex classibus 150LB, 300LB, 600LB, 900LB, 1500LB, 2500LB