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Nga korero mo te Ahumahi Whakapiri Rubber Additives o Haina i te tau 2022
1.Ko te ahumahi taapiri rapa o Haina kua whakapumautia mo te 70 tau 70 tau ki muri, i te tau 1952, i hangaia e Shenyang Xinsheng Chemical Plant me Nanjing Chemical Plant te whakatere rapa me nga waeine whakaputa antioxidant rapa, me te katoa o te whakaputanga o te 38 taranata i te tau, me Haina. '...Pānuitia atu
