Description: The well head packing sealer is belong to oil extraction tool, it is used in the oil well which has shaft and pump, it is installed upside the oil well head assembly, and is used in seal oil extraction polish rod. The model may demonstrate its work principle and the structure composition, and may carry on disassembles and assembles training. Details:
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No.1, Bei Yi Xiang, Damucang Hutong, Xidan, Beijing P.R.C.100032
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Damucang Hutong, Xidan, Beijing P.R.C.100032