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Yog tias koj muaj lus nug txog hais lossis koom tes, thov koj xav email rau peb ntawminfo@tanyu-tech.comlossis siv daim ntawv nug nram qab no. Peb tus sawv cev muag muag yuav hu rau koj hauv 24 teev. Ua tsaug rau koj cov paj rau peb cov khoom.