div class=trans-pagebuttonPage 1button div class=trans-image a href=https:reader039fdocumentsinreader039viewer20220405125e61e2c46a410a3f0673a75fhtml5page1jpg target=_blank amp-img class=trans-thumb alt=Page 1: PDF CompressorElectric Resistance Welded ERW or High ERW Frequency Welding HFW steel pipes is based on welding in flat sheet rolled into a tube Through its proven coating process src=https:reader039fdocumentsinreader039viewer20220405125e61e2c46a410a3f0673a75fhtml5thumbnails1jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=trans-pagebuttonPage 2button div class=trans-image a href=https:reader039fdocumentsinreader039viewer20220405125e61e2c46a410a3f0673a75fhtml5page2jpg target=_blank amp-img class=trans-thumb alt=Page 2: PDF CompressorElectric Resistance Welded ERW or High ERW Frequency Welding HFW steel pipes is based on welding in flat sheet rolled into a tube Through its proven coating process src=https:reader039fdocumentsinreader039viewer20220405125e61e2c46a410a3f0673a75fhtml5thumbnails2jpg width=142 height=106 layout=responsive amp-imga divdiv