All electronic components provided by Shenzhen PCB ELECTRONICS LTD, are genuine authorized by the original factory. We only purchase from the original factory or regular agent channels to ensure the quality ! Our prices are transparent, all commodity prices are reflected in the quotation sheet, and the selling price changes according to the purchase price. With the professional team of Shenzhen PCB Electronics Ltd., we provide thousands of customers with BOM improvement, components replacement, and full BOM materials solutions every year. The solutions provide a strong guarantee for R&D and proofing delivery of small and medium batches of products!