Loong's end feed copper fittings for plumbing and ACR systems have been at the leading manufacturer of copper fittings in China. Available in both ASME B 16.22 and EN 1254-1 Standard, ourend feed fittings can be used in both residential, commercial and HVAC systems. Available I.D.sizes ranging from ?" to 6".Our company, a leading specialist copper fitting factory known for quality accessories, has received various certifications in many markets such as WRAS, KITEMARK, AENOR, SABS, UPC, CUPC, NSF, NF, WATERMARK, and so on.We are very specialized in the production of copper end feed fittings. If you need it, please contact us.