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API 7-1 Hakowa Kirtani Bawul
Haɗa kirtani bawuloli suna dakatar da ruwa daga gudana sama da kirtani na rawar soja sau da yawa idan rawar ta kunna tare da ɗan kashe ƙasa.LANDRILL na iya samar da ingantaccen ingancin cikakken buɗaɗɗen aminci valve (FOSV), Kelly valve, Ciki mai hana busawa (IBOP), Drop-in check valve , Bawul mai iyo.
Dakin 703 Ginin B, Cibiyar Greenland, yankin bunkasa fasahar Hi-tech Xi'an, China
86-13609153141
