R & D results
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Research and development
-- Hengrun Auto has obtained more than 20 patent certificates
Among them, it has been authorized 3 invention patents
-- 9 invention patents have been accepted (Notice of acceptance of invention patents has been obtained)
-- 7 utility model patents have been accepted (Notice of utility model patent acceptance has been obtained)
-- 5 appearance patents have been accepted (Notice of appearance patent acceptance has been obtained)
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