STSRQ SHENTONG.STSRQ.NA “ME Jacket Water Preheater Type: STSRQ Heating arial – 3.5 m2 Working pressure: Shell side – 0.6 MPa Tube side – 0.4 MPa Serial No 07030531 Date: 2007.04 Maker: NANTONG SHENTONG MACHINERY WORKS”