... 2002 3.Type:HINO J08C Auto engine piston ring for HINO J08C1.Casting:Single casting and double ... line,Chrome plating product line,Equipment for steel belt composite ring(Japan),Pedrail shotting machine,Automatic phosphating ... for internal combustion engines.These are the barrel surface ring,keystone surface ring,cone surface ring,twist side ring,chromium plating ring,spray molybdenum ring,nitride ring ...