Borosilicate Glass Tube manufacturer / supplier in China, offering Pharmaceutical Bromobutyl Injection Rubber Stoppers 13mm 20mm 32mm for Glass Vial, 13mm 20mm 32mm Grey Pharmaceutical Butyl Medical Rubber Stopper for Injection Glass Vials, 20mm Wholesale Aluminum Cap Crimp Closure Flip Top Tear off Vial Seals for Bottles and so on.
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