1.working with or without water,for marble&granite 2.CE certificate 3.brand of relay is SCHNEIDER 4.brand of PLC is DELTA stone machine,diamond wire saw machine,quarry machine,wire saw machine,stone machine Description:Character:Cutting with variable speed 1)CE certificate. 2)The inverter of main motor & travel motor is YASKAWA-G7 with waterproof, dustproof treatment. 3)The brand of relay is ...