Xiamen Qun Ji Anchor Bolt Co., Ltd. specializes in the research and manufacture of Anchor products .Our main products:Anchor bolt series,including heavy duty ,middle duty and light duty anchor bolt,and expandable multi-section connection anchor bolts which have outstanding decompression and high shock resistance.Back anchor bolt series,our featured products,including back anchor bolt for stone materials and back anchor bolt for cellular boards,all of which have strong anti-stress ability and high shcok resistance.Meanwhile, we put forward Diamond hole expanding drills,which have high performance and high precison.