1. Customize centrifuge tube with cover,robotic tips 1. specialize in cutting-edge lab consumables 2. ... Box,conical tubes,vials with screw cap,screw cap tube,snap cap tube,etc,as per your drawing or sample or ... size:3mm*3mm*3mm or much smaller.Various plastic materials: PP,PE,PS,ABS,PVC,POM,PA,PBT,PPS,PPO,PEI ...