求翻译：欧柏森保洁是一家集大型日常保洁、地面石材翻新养护、外墙清洗的综合性服务企业。是上海石材专业委员会副会长单位。是什么意思？

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The Pak-sum cleaning is a large collection daily cleaning, and ground stone renovated conservation, exterior cleaning of integrated services. The Shanghai Stone Professional Committee Vice Chairman.

Ou Baisen maintains cleanliness is a fair large-scale daily maintains cleanliness, the ground stone material renovates the comprehensive service enterprise which the maintenance, the outer wall clean.Is Shanghai Stone material Specialized Committee Vice-chairman Unit.

Ou Baisen cleaning daily cleaning, ground stone is a collection of large renovation wall cleaning, and maintenance of integrated service businesses. Is the Vice President of professional Committee of Shanghai stone units.

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