? The main body of machine is made by high quality host casts and through second tempering treatment to ensure that whole machine can keep good and last longer. All the moving parts are made by the best material and through special technical treatmen... - Update: 2011-08-20

? The main body of machine is made by high quality host casts and through second backfire to make sure that the whole machine can keep high precision longer, so the thread can be used 2-3 times longer than other machines. ? Whole machine adopt seal ... - Update: 2011-08-20