silicone stopper 1.SGS rubber, FDA silicone 2.According to sample or drawing 3. ... ! Also we welcome trial order before mass production. 1.Material: SGS Approval NBR/SBR/NR/EPDM/VMQ silicone(food grade) etc2 ... molding, extrusion molding injection molding5.Production Standardsaccording to ISO9001-2008, SGS, ROHS, FDA standards.7.Rapid development lineFrom drawing, new tool ...