... hollow, one piece parts such as large oil or chemical tanks, kayaks, point of purchase displays, frames, cases, furniture, carts, ... .The advantage of rotational moulding:1)The cost of plastic rotational mould is low.2)The edge of rotational moulding ... the rotomolding products one time. The industries served include kayak, plastic Toys, Automotive parts, Road and Traffic, Sports equipment, Container ...