... Standard.We employ two foreign senior engineers and two graduate students, and meantime, we introduced French high-tech ... excellent brightness, fineness, smoothness, good transparence, and waterproof, while preserved easily and never crack. The original color will never ... , 60ml, 100ml ,170ml, 1200ml ,3500ml bright and non-toxic oil color set ,fastcolour oil color,artists oil colors .50ml aluminium ...