About Us.. Royal Castor Products Limited, promoted By the Standard Greases Group, the largest Grease manufacturer in the private sector In India & Patel Group, conglomerate with a strong base in the construction and manufacturing industries promoted in 1995 has now become a name that is identified with quality in the castor oil derivatives world over. Strengths & progress: A state of the art in-house R & D centre and a large modern plant, manned by technicians with vast expertise, continuous upgradation of technology and adapting to the latest innovations in the industry is its hallmark. The above factors are supported by an extensive knowledge of the product and the cumulative experience of Standard Greases group which is both a discerning user as well as a major toll blender of greases to the multinational lubricant companies in india, to substantiate its claim to being amongst the foremost manufacturers of international quality products. RCPL is now a ISO 9002 certified company. Today it can boast of being a major supplier of castor oil derivatives across the globe