We are the leading oxygen sensor manufacturer in China, with the most cost-effective products in China, with a daily sales volume of more than 5,000 pieces, and no more than 2% return after ten years of sales. There are a total of 3,500 kinds of products in the whole car series, and we also produce glass lifter switches for some car series. The switch has been sold for 3 years without any returns. Support video factory audit, support sample sending. Contact me if you need it, I will send you...