... :2008 3. Precision:0.02mm 4. Sophisticated in plastic knob for gas cooker We have rich experience in manufacturing plastic gas ... ,Mastip,Mold master, Synventive etc.)Drawing format.igs, .step, .x_t, .pdf, .dwg, .dxf,Plastic materialABS, PC,PA,PA66, PE,PP,PMMA ... mould structure drawing confirmedOther plastic knobs we have made before for our customers: plastic knob ...