It is dedicated to the R&D of the chairs providing safety and protection for children sitting on the chair during the drive. Provided that the user safety is ensured, the chair product completely passed European safety standards ECE R44/3, and is available in three kinds at present 1st kind is "Chair for Infant Only", which must be located on rear seat and the infant must face backwards; 2nd kind is the chair Forward Facing Only with Harness, and is applicable to one-year-old or older infants who weight more than 20 pounds; 3rd kind is Booster-type chair, with the harness for adults (which must be shoulder belt instead of lap belt). This kind of product is applicable to the children weighing 40~80 pounds