1.Customize test tube rack,test tube holder,robotic tips 2. Precision mold making 3. ... injection and assembly workshop lab test tube rack:1. Customize test tube rack,centrifuge tube rack,Freezer Storage Box,pipette tip box,robotic ... or much smaller.Various plastic materials: PP,PE,PS,ABS,PVC,POM,PA,PBT,PPS,PPO,PEI,PEEK,PES,TPU,PLA ... products,please feel free to contact us. lab test tube rack