... order one piece for sample to test the quality?A:Yes, We recommend to check the sample ... such as the Item Number, Quantity for each item, Quality request, Logo, Price Term, Transport method, Discharge place ... is Yes. There is 3 advanatages.(1) HUMANITY: Control the mixing water from 20°c-50°c, the ... ratio is 8:1, please install the pressure-limiting valve. PROCESS SCHEME Making Iron Mold - Sand Mold - ...