I-Qingdao I-FLOW Co., Ltd njenge-China Globe Valve factory kunye nababoneleli, ivalve ihambelana nemigangatho yamazwe ngamazwe njenge-API 598, i-DIN3356, i-BS7350 kunye ne-ANSI B16.34, iqinisekisa ukuba ikhuselekile kunye nokusebenza ngokufanelekileyo ...
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