HOPIDY is a nox sensor and oxygen sensor manufacturer based in China, we have been in this line for over 11 years. Our factory can develop as customers' sensors models. Package, stickers, cable length can also customize. Some customers may doubt why our price is so cheap, is our quality bad? Of course not, we offer 1 year warranty for all sensors. Why price so cheap then? That's because you buy from trading companies or even importers that buy from Chinese trading companies. We have exported to companies in Germany, Korea, Brazil, the USA, UK, get many good feedbacks.
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