1. Customize centrifuge tube with cover,robotic tips 1. specialize in cutting-edge ... Customize centrifuge tube,robotic tips,Freezer Storage Box,conical tubes,vials with screw cap,screw cap tube,snap cap ... 3mm*3mm or much smaller.Various plastic materials: PP,PE,PS,ABS,PVC,POM,PA,PBT,PPS, ... professional mould engineers also providing products design matched with clients.Our principle is take quality as the ...