... conforms to US ASTM-4236 Security Standard and Europe EN71-3 International Security Standard.We employ two foreign senior engineers and ... good oil painting .Available Sizes: 12ML12 colors ,12ml 18colors ,12ml 6colors , 21ml6colors ,50ml, 60ml, 100ml ,170ml, 1200ml ,3500ml glossy oil color set ,fastcolour oil color,artists oil colors .50ml aluminium tube oil color .