Chengyou Engineering Company is a leading company in the feild of FRP bolts drill bits and hollow bar an so on in Shandong province. Now, Chengyou has 9 subcompanies. Therefore, Chengyou people are looking forward to developing the international market more. The fiber glass reinforced plastic bolts have been famous in Austrilia, USA, Europe, Russia and so on. We would like to cooperate with more companies of countries and areas of the world. Chengyou's high-advanced technology and good quality will make a successful way!