70 sets of sucker rod pumps ordered by our customer, after more than 40 days of production, have been finished. As for these pumps, we made technical adjustments on both of the barrel and the plunger based on customer’s requirements, more suitable for sand oil wells. In the inspection of the pumps, each has carried out pressure test and leakage test, and all of them have reached the API 11AX standard. Currently we are waiting for customer’s notification of delivering the pumps to Tianjin Port.
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