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API 6A Wellhead Mud Heke Li-Valves
Li-valve tsa heke ea seretse ke heke e tiileng, kutu e ntseng e phahama, li-valve tsa heke tse nang le litiiso tse tsitsitseng, li-valve tsena li entsoe ho latela maemo a API 6A. E sebelisoa haholo-holo bakeng sa seretse, samente. fracturing le tšebeletso ea metsi 'me li bonolo ho sebetsa le ho li hlokomela habonolo.
Room 703 Building B, Greenland center, Hi-tech development zone Xi'an, China
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