Hebeiyanhsanchengxishusongjixiechang

MY factory specialized manufactre transportion machinery,hesive tape,conveyer, the spiral conveyer,the elevator,prodrces GB code non-sign each kind of srpporting roller,the conical adjrsts the heart srpporting roller,the friction adjrsts the heart srpporting roller.the rubber supporting roller,the nylon supporting roller,the cushion supporting rollerthe supporting roller support,operateddrum