... precision medical plastic Screw Cap:1. Customize medical plastic Screw Cap,centrifuge tube,conical tubes,vials,robotic tips,screw cap tube,snap cap tube,any plastic ... etc.Advanced equipments:precision grinder,milling machine,driller,wire cutting machine,EDM,CNC,full automatic injection machine ,projector,ultrasonic welder.20-years- ... ,please feel free to contact us. Precision Plastic Screw Cap