Zibo Ruichen is a manufacture of high borosilicate glass 3.3 inChina.Now there are three kiln stoves and 15 producing lines.Wefocus on the integration of production from the tubes to glasscrafts.Zibo Ruichen has been evaluated as "the high and newtechnology enterprise in the Shandong" by Shandong science andtechnology hall.Some large sizes tubes and rods have complementedsome blanks in technology in this field in China.