Jaykrishna Magnetics Pvt. Ltd. Offers Rare Earth Magnetic Traps. Jaykrishna Magnetics Pvt. Ltd. Offers a wide range of permanent electrical and electro magnetic equipments. The Rare Earth Magnetic Traps fall in the category of High Intensity Rare Earth Magnetic Equipments. These equipments are most useful for food, chemicals, minerals and refractories. The Rare Earth Magnetic Traps are available for pipelines ranging from 15mm to 500mm.