... 500 Corporations 4. Sophisticated in gas cooker knob We have rich experience in manufacturing plastic gas cooker knobs.About our company ... own mold factory and injection molding factory. Supply various plastic molds and injection molding parts to international market. ItemDescriptionMold ... etc.)Drawing format.igs, .step, .x_t, .pdf, .dwg, .dxf,Plastic materialABS, PC,PA,PA66, PE,PP,PMMA,PS, PVC, HDPE ...