Profile: JiangSu TeFf Steel Pipe Co.Ltd specialized in the production of each kind of seamless steel tubes. We are an ISO 9001:2015 and ISO 14001:2004 certified company. Our products include boiler tubes, heat exchanger tubes, precision seamless steel tubes, alloy steel pipes, and fluid transportation tubes. Our seamless steel tube is used in heat exchangers. It is mainly used for the heat-transfer equipment, such as tubular heat exchangers, condensers and heater.