... natural rubber and other materials produced, the use of a wide range (for example, to seal the bottle,), ... items to prevent leakage, spillage, security utilityWe making lock ring which can be used in automotive industry.Rubber ... 11.FDA ,EEC, LMBG approved12.Duro: from shore A 8 to 95lock ringsilicone bakeware,rubber,rubber processing parts, ... Automotive Part,Cake mold ,Silicone baking mold. lock ring