石炭纪牛井山蛇绿混杂岩出露于云南省西南部双江县牛井山—耿马县勐永一带，勐永以北与铜厂街地区的蛇绿混杂岩相接。

Carboniferous Nujinshan ophiolite melange is situated from Nujinshan to Mengyong area, where is dominated by Shuangjiang County and Gengma County respectively, southwestern Yunnan Province.

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抚顺永大（美亚）橡胶有限公司是中外合资企业，是生产牛床橡胶垫板的专业厂家。

Fushun Yoga (Maya) Rubber Product Co. , Ltd. is a joint denture, a professional manufacturer of rubber surface for footbridge.

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