... . Material:S S 3. Size:1/2"-40" 4. Type:slip on flange 5. Certificate:IS09001:2000/2008 ... Standard:GB,JIS,BS,DIN.ANSI and Non standard,4. ANSI class 150,300,400,600,900,1500,25005 ... by quality and development by credibility.21. Our declaration :our company try to enlarge market field not only ... what's more,we have received a good reputation from our new and old customers whose do business with us .we ...