Rigao Electronics will return the sample charge to you when ordering, or deduct them from the order payment. The sample is completely the same as our original product. It is made of the same quality raw materials and also goes through the same manufacturing process. It shares the same value as our product. We require 30% paid upfront and 70% once the production is complete. All payments are typically completed before the product is shipped. The products you order from us, the more favorable payment you'll get.
Rigao with a focus on the production and research and development of Printed Circuit Board, has a good reputation at home and abroad. As one of Rigao's multiple product series, Printed Circuit Board series enjoy a relatively high recognition in the market. The product functions properly in an environment with a certain level of electromagnetic disturbance. It won't be easily affected by other devices. Rigao is a professional Printed Circuit Board company for the production, sales and service of Printed Circuit Board.
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