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Ntev npaum li cas Koj Yuav Tsum Hloov Koj Cov Txhuam Txhuam Hniav?
Yog tias koj tu koj cov hniav, tej zaum koj yuav tau txais qee cov lus nug rau koj tus kws kho hniav, xws li koj yuav tsum hloov koj tus txhuam hniav ntau npaum li cas thiab yuav ua li cas yog tias koj tsis hloov koj tus txhuam hniav tsis tu ncua?Zoo, koj yuav pom tag nrho koj cov lus teb nyob ntawm no.Thaum twg Re...Nyeem ntxiv -
Ntshiab koom nrog National Standard of Toothbrush Manufacturing in China
Lub Kaum Hli 10, 2013, Jiangsu Chenjie Daily Chemical Co., Ltd. tau koom nrog thiab tsim qauv lub teb chaws tus qauv ntawm Tuam Tshoj cov neeg koom pheej ntawm Tuam Tshoj rau kev tsim cov txhuam hniav, tus qauv tooj yog GB 19342-2013.Cov qauv no yog sib koom ua ke los ntawm General Administration ...Nyeem ntxiv