... 3. Precision:0.02mm 4. Sophisticated in plastic knob for gas cooker We have rich experience in manufacturing plastic gas cooker knobs.About ... ~0.05mm; 3. ISO9001: 2008 certified by SGS;4. Mould base: LKM, DME, HASCO, DAIDO, etc;5. Injection molding machine: 80 ... (HASCO, EWIKON Yudo,Mastip,Mold master, Synventive etc.)Drawing format.igs, .step, .x_t, .pdf, .dwg, .dxf,Plastic materialABS, PC,PA,PA66, PE ...