Gold Index: 66417
XI'AN ZZ TOP OIL TOOLS CO.,LTD [China (Mainland)]
Business Type:Manufacturer, Distributor/Wholesaler, Service City: Xi'an Province/State: Shaanxi Country/Region: China (Mainland) Follow Us:
DST - IPO
The Internal Pressure operated circulating valve is short of IPO circulating valve, used for the oil well drill stem testing operation in cased hole.
2018-10-30