... ,2545,2633,2634,2635 6bar,10bar,16bar,25bar,40bar 10"-500" KS(JIS)KS B1503JIS B2220 5K,10K,16K ... ,20K,30K,10"-1500" ENEN1092-1PN6,PN10,PN16,PN25,PN40,PN63PN10010"-2000 ... quality and stage inspection.Based on that, we have a great success in the past ten years.We have our own factory for twenty years ... to your enquiry! rough machining side piece forging made in China