... as well as the re-absorption and light drainage of of liquid, mainly used in machinery, chemicals, construction, ... agricultural irrigation, and vacuum equipment and hose of vacuum cleaner..Technical Parameters ModelSJZK-65/30SJZK-90/30ExtruderSJ ... of 1 set of steel spiral forming machine, 1 set of extruder, 1 set of spray cooling machine, 1 set of pulling machine as well as 1 set of ...