First: spray the clear coat on the surface of the mold, after 30mins before clear-coat dry. Second: laminate carbon material and other components on the surface of the mold third: vacuum, which is very important if with the wrong operation, which will be lots bubbles after semi-products. fifth: mold closing, many carbon tuning parts are with 2 molds together, this step will make the two molds with the screws together after several hours, then form removal. Seventh: trimming them with the detail SOP, usually the workers will do not be familiar with the function of the products, they can just follow up the SOP Then, we will arrange dry sanding the surface of carbon, with 3 times water sanding before the parts went to the oven room. After the oven, it will enter into painting room, the last step is assembling accessories and holes before the quality check process. So there are more than twelve steps for the final carbon parts, around 7days for the full process.