Playing an important role in the pipe fitting industry,ZhongRan Pipe-Fitting Co.,Ltd is an ISO 9001:2008 certified company. We supply our materials with complete certifications and as per international standard. Our material range includes carbon steel elbow, stainless elbow, alloy steel elbow. We can manufacture elbows up to 80" with wall thickness ranging from 1.5mm up to 100mm for varied size, seamless or 100% X-Ray Welded. And the most importantly, the solid quality of our elbows can 100% meet the tolerance and average requirement of the ASME,JIS,API and your expectation for bulk fitting material.