Kanglongpharma was founded in 2001 and through 21years of experience , we are now a leading manufacturer of pharmaceutical packing area.We specialize in butyl rubber stopper for blood collection tube , butyl rubber stopper for infusion , butyl rubber stopper for vial , syringe plunger and all kinds of pharma rubber stoppers. As China medical rubber stopper manufacturers and suppliers , All kanglongpharma products are designed and manufactured in accordanc |