... 4.OEM welcome. 5.Durable and strong. OEM rotational mould for kayak custimized Rotational moudlding or Roto Molding which is a high temperature ... producing hollow, one piece parts such as large oil or chemical tanks, kayaks, point of purchase displays, frames, cases, furniture, ... developed have Music Box, Oil Box, Toys for Children, Water Tank, Clothes Cart, Cone Barrel, Dividing road cone and barrier, ...