Linear tube filling tshuab yog dav siv hauv kev lag luam tshuaj, tshuaj pleev ib ce, thiab khoom noj khoom haus los sau cov khoom xws li cream, gels, pastes, thiab tshuaj pleev rau hauv cov hlab. Cov tshuab no yog tsim los sau cov khoom lag luam tshwj xeeb ...
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