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面议
Z61HZ61H-300LB锻钢延长阀体焊接闸阀
面议
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面议
Z41YZ41Y-160P不锈钢锻造法兰闸阀
面议
Z41YZ41Y-2500LB锻钢自密封法兰闸阀
面议
J61HJ61H-150LB锻钢承插焊截止阀
面议
J11H-900LB锻钢内螺纹截止阀
面议
J61YJ61Y-2500LB锻钢自密封焊接截止阀
面议
J65HJ65H-150LB锻钢直流式Y型截止阀
面议
J65YJ65Y-1500LB锻钢Y型自密封焊接截止阀
面议
J41HJ41H-150LB锻钢法兰截止阀
面议
J41YJ41H-2500LB锻钢自密封法兰截止阀
面议
H61HH61H-150LB锻钢升降式焊接止回阀
面议