Downhole Pressure Gauge Taiyuan North China Xinyuan Tech Center(Co., Ltd.) Base Info Model NO.:NCDH-1B NCDH-4Type:Cold Bending Inner Edge ChannelStandard:GBShape:U ChannelPerforated:PerforatedLength:5-12m Description Pre:Stainless Steel Coil & Strip Next:Steel Insert Forging Yd-004