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中海油于多伦多证券交易所上市

aworldwidespecialtychemicalssupp

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germanyhasbeenusingtheco2snowjettechniquedevelopedbyacptocleaninteriorukcollegeusessabicip'slexanexelldpctoenhancebuilding's

theuk,thpanyannouncedonaccordingtothepressrelease,thepanels,developedbycoltgroupltd,filtero

amanufacturerofplasticizerslocatedinsãopatheacquiredscandiflexplasticizerbusinessandmanu

這種環境结尾管理方法不克不及從底子上解決高份子资料的環境污染問題。更有效的方法必須從源頭即资料钻研和選擇方面动手,在選擇资料時應用環境辑睦、便於收受接受再垄断和可天然降解的綠

importofotherextrusionmachinesrecordedastaggeringyearonyearincrea搜索引擎优化f2,focus:newengineeringplasticdevelopmentsinautomotiv

000tpptwinscrewextrusionpelletizethpletesystemwasjointlydevelopedbysixorganizat

themanufactureroftouch'nsealinsulatingfoamsandsealantsbasedintheus,hasintroducedthestormbon

acanada-basedproduceroflithiumionsuperpolymerbatteries,hassignedacontractwiththecanada

whichimp

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