20-A Colorful Medical Brominated and Chlorinated Butyl Rubber Stoppper 1, This rubber stopper is 20-A, it's mainly used for 20-mouth injection glass vials. 2, Our rubber stopper are made of imported butyl ... Read More
20-A Red Pharmaceutical Brominated and Chlorinated Butyl Rubber Stoppper Rubber stopper introduction: Specification 20-A Color Red Material Brominated Use Pharmaceutical Inner packing PE or RFS bag. Outer ... Read More
