SHANDONG WEL-FIT PIPELINE EQUIPMENTS CO.,LTD is one of the largest steel butt-welding fittings manufacturers and exporters of carbon steel, stainless steel, and alloy steel in China. The size range is from 1/2 to 60 inch, and the schedule is from SCH10 to XXS.We have been approved by a number of well-known classification societies, petroleum companies, and quality systems all across the US America, China, Britain, France, Germany, Norway, Saudi Arabia etc