今年三月，东部地区浙江省的宁海市有市民举报称有一伙人从当地餐馆，饭店等地购买剩油。从那时起，警方便开始进行相关调查。

Police began their investigation in March after residents in Ninghai County of eastern Zhejiang Province reported that a group of people were buying leftover oil from local restaurants.

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南苑饭店隶属于宁波南苑集团股份有限公司，是浙江省首家五星级饭店。

Nanyuan hotel, subjected to Ningbo Nanyuan Group Co. Ltd. is the first 5-star hotel in Zhejiang province.

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