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DIN Pn16 Cast Iron Full Bore Ball Valve / Cast Iron Flanged Ball Valve DIN/JIS/ASME/ASTM/GB, Find Details and Price about Bore Ball Valve Ball Valve from DIN Pn16 Cast Iron Full Bore Ball Valve / Cast Iron Flanged Ball Valve DIN/JIS/ASME/ASTM/GB - CANGZHOU TIANDA PETROLEUM PIPE CO., LTD.