PN：0210150009
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Description: Wellhead packing belongs to oil production tools, is used to pumping well that with rod, installed on the top of oil recovery bradenhead, is the tool for packing off polished rod of oil pumping, could demo its operating principle and structural composition and carryon dismounting training. Details:
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No.1, Bei Yi Xiang, Damucang Hutong, Xidan, Beijing P.R.C.100032
Copyright © 2009 China Educational Instrument & Equipment Corp. All rights reserved.
Damucang Hutong, Xidan, Beijing P.R.C.100032
