Based on the information I know, generally speaking, once the drawing review is completed, the time to prepare the goods will depend on the specific situation. Usually, the preparation time may take a few days to a few weeks, depending on factors such as the complexity of the product, the stability of the supply chain, and production capacity. In addition, factors such as shipping time and customs clearance need to be considered. Therefore, the specific preparation time may vary. It is recommended that you communicate with the relevant department or supplier to obtain more accurate information and time estimates.