The size is from 1/8" to4", the material is 304/316, 304L/316L, belongs to stainless steel screwed fittings. With the guarantee of TUV ISO9001:2000 Certificate,PED 97/23/EC certificate and CE Certificate, together with Japanese management idea, We supply you top-quality products as always, We have built our company policy on a founation of quality service and reliable deliveries,in which the high ...