1.Introduction Hebei Yida Anti Impact Rebar Coupling system is a mechanical rebar splicing system, be made of high quality alloy steel. It has already passed the High Speed Tensile test of Anti instant impact by Germany Berlin BAM Laboratory. It has been widely applied at the sites where required high level of resistance to impact. The coupler sleeve will be perfect connected with rebar by cold swaged deformation in the application, and dual couplers will be connected by a high strength bolt.Its size can be from 12mm into 40mm different diameter bars. Special Advantages 1Each rebar is connected by cold swaged with a coupling, It was processed by large-tonnage hydraulic machine and unique split mould to ensure high quality and reliable radial deformation swage. 2Rebar sleeve bond press is done prior to site connection saving precious site time. 3The two sleeves are connected through a high-strength bolt, quality ensured. 4Installation on site is easy and fast, even in dense cages. No X-ray check is needed and installation can be done in any weather conditions. 5No thread cutting, no need heat or pre-heat on rebar, hence the rebar retains its original characteristics after splice. 6The Yida ACJ rebar coupling system stands complex or full tension as well as full compression state. Hebei Yida Hydraulic Grip System Anti Impact Rebar Coupling system is divided into the following types 1ACJ Standard Coupler 2BCJ Transition Coupler 3FCJ Positive and negative Thread Coupler 4KCJ Adjustable Coupler 5MCJ Anchorage Terminator Coupler