Vishnu Engineering, based in Ahmedabad, Gujarat, specializes in rotomolding solutions and designs specialized moulds for a variety of applications, including boats.
Boat Rotational Mould (Fishing Boat) : Listed under their product catalog as “Boat Rotataional Mould” and “Fishing Boat Rotational Mould”, indicating they manufacture molds specifically for crafting plastic boats via rotational molding.