According to the customer's wiring harness drawing, 3-5 working days to complete our factory wiring harness drawing.

Our salesman will confirm the relevant details with the customer.

After the customer reaches an agreement, we will generally start to produce two sets of samples, one for the customer's sample, and one for internal storage in our factory, which will be used as a basis for future mass production.

Wait for the customer's feedback. If the test is passed, we will start the order process, otherwise we will repeat step 2 until the proofing is successful.