Founded in 1968 by R R Gupta as a partnership firm, Roto Pumps (RPL) was incorporated as Roto Pumps & Hydraulics Pvt Ltd in Jul.'75 and converted into a public limited company in Dec.'93. In Jul.'81, Roto Pumps Pvt Ltd, a group company, was amalgamated with Roto Pumps & Hydraulics Pvt Ltd. In Feb.'91, it was taken over by another group company, Dwarka Industrial Development (Chains) Pvt Ltd. Since inception, RPL has been manufacturing helical rotor pumps. It pioneered the manufacture of helical motor pumps in India. The company initially marketed this product to the coal mining sector and then gradually increased its base in other industrial segments. In 1978, RPL entered into a five-year technical collaboration with Stothert & Pitt to manufacture twin screw pumps in India. RPL manufactures a comprehensive range of industrial pumps to cater to pumping requirements for duties ranging from pumping distilled water to highly viscous fluids and/or corrosive fluids. In Sep.'94, RPL came out with a maiden public issue to part-finance the modernisation and expansion of its existing units at Kanpur and Noida, and to invest in Roto Sterling, UK -- a joint venture company set up to provide marketing and warehouse facilities -- and to set up a R&D centre at Noida. In Feb.'95, RPL signed a technical-cum-buy-back agreement with Kosaka Labs (part of Mitsubishi, Japan) to acquire technology for triple-screw pumps, and to sell double- and triple-screw pumps to Kosaka under the Kosaka Roto brand name. In 1996-97,its earnings from exports amounted to Rs 4.84 cr. During 1997-98, the Company appointed a new distributor in Australia for Industrial Products and also entered into a long term Supply Agreement with the same distributor for Agricultural Products. During the year 1999-2000, the company has taken steps to reduce cost and improve sales in domestic as well as international market apart from the development of approved design & cost effective RMA Series of Helical Rotor Pumps and is endeavoring to enter new markets.