Hangao Tech ofo atu se Roller Quick Change System lelei mo Tube Mills, faʻamautinoa suiga vave ma le faʻaogaina e faʻamalieina ai le gaosiga lelei.Su'esu'e la matou faiga ua fuafuaina mo suiga vave ma leai se fa'alavelave.
Guangdong Hangao Tekonolosi Co., Ltd. e na'o le tasi Saina e maualuga-iuga sa'o alamanuia uelo gaosiga laina seti atoatoa o meafaigaluega gaosiga gafatia.