At present, one of the processing methods of wood grain plastic ornaments is water transfer printing, and the other is IMD(INS) in-mold extension technology. However, the similarity between the two is * * *, and decorative patterns are added. Water transfer printing is to transfer transfer paper/plastic film with color patterns to the surface of plastic parts by water pressure; IMD technology is a plastic film with a pattern formed in advance and first installed in a mold. In the process of injection molding, plastic and film are directly and closely combined. Both are high-cost mass production technologies, and the price of a single part is almost ten times more expensive than that of ordinary non-decorative parts. Usually, the car factory will make it.
If a plastic part is a non-decorative part, it is several times more difficult to change it into a decorative part than to redesign a part, whether it is water transfer printing or IMD. I don't think the car factory is willing to do such a thing. If it turned out to be decorative parts, I'm afraid people are reluctant to produce ordinary non-decorative parts with ultra-expensive equipment.
Simply put, only the part with wood grain (or other decoration) can be replaced when leaving the factory, and a part with other decorative patterns can be replaced. If there is no decoration, it is best not to toss.