1) kids toy plastic building blocks 2) Certificate: EN71, ASTM F963, CE, ... pls kindly inform us the package, if there is any OEM label.Ø Sample is available About usZHEJIANG POTENITIAL TOY CO.,LTD ... : BuTou Village, QiaoXia town, YongJia County,Wenzhou, ZheJiang province, China Kids Plastic Building Blocks Toys for Children Educational QL-020(2 ...