Being off-road enthusiast, they saw the limited capabilities of open differentials in low traction environments. After several years of testing, they developed the TRE4x4 Air Locking Differential to address this weakness. After years of research ,development and testing, TRE4X4 now produces more and more 4x4 productions. Such as bumpers, lights, suspension, winches, camping accessories, roof racks, etc., and strive to give off-road enthusiasts a one-stop shopping experience! For now, tre4x4 has established cooperation with worldwide 4x4 related companies more than 50 countries in different areas. Now TRE4X4 is recruiting globally to establish more flagship stores.