... producing hollow, one piece parts such as large oil or chemical tanks, kayaks, point of purchase displays, frames, cases, furniture, carts, ... outdoor use of your products .The advantage of rotational moulding:1)The cost of plastic rotational mould is low.2)The edge of rotational moulding ... application. The products we had developed have Music Box, Oil Box, Toys for Children, Water Tank, Clothes Cart, ...