1.With GS, CE certificate 2.Non-toxic, environmental-friendly material 3. ... of 114 mm, wall thickness of 2.2 mm, quality and technical standard of which have met the requirements of ... 48mm, 38mm, 32mm, 28mm, wall thickness of 2.5 mm, quality and technical standard of which have met the requirements of ... we will try our best to meet your requirements. CE, GS Certificated Amusement Park Equipment