Axle, Trailer Leg, Trailer Part manufacturer / supplier in China, offering T30 Air Brake Chamber for Semi Trailer Brake System – Heavy Duty Diaphragm Type with Clevis Bracket, Semi Trailer Container Twist Lock with Square Base and Mounting Holes – Anti-Corrosion Finish, Heavy Duty Container Twist Lock System for Trailer Mounting – Quick Lock Mechanism, ISO Compatible and so on.