YongLong Auto Supplies Factory (YL), one of the leaders of warning light manufacturers in China, which is focus on products' independent research and development and OEM & ODM. With lots of experienced staff and professional R&D group, standard optical laboratory and a complete series inspection and testing facilities, YL will stick to the target of constantly fostering professional talents and advanced technology, and manufacturing more excellent products. YL have achieved the ISO9001:2008 Quality Management System certification, and quality control system has been set up strictly according to the quality management system. YL has eight series warning products, and more than 95% of them got E-mark and SAE approvals. Nowadays, our customers all over in Europe, North America, South America, Oceania, more than 70 countries. YL promise 3 years quality warranty, and offer customer the best after-sale services.Welcome to choose YL! We have enough confidence to assure that your choice is correct!
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