DIAMOND GROUP OF INDUSTRIES, Symbol Industries (Pvt.) Ltd was incorporated under the Companies Ordinance, 1984 on 19th May, 2005. The company is serving the nation by saving billions of Mega Watts of energy by producing and marketing state of the art ‘Diamond Jumbolon’ thermal insulation products in compliance with international standards, first time in Pakistan. Diamond Jumbolon Board (Extruded Polystyrene) is the thermal insulation material recognized worldwide. Located at Sundar Industrial Estate, Raiwind Road Lahore the plant is the state of the art facility to meet all the thermal insulation needs of the country and have potential for exports also. We are ISO 9001-2008 Certified Company . Management of the company is highly professional and experienced. The directors belong to the business and industrial circles of the country and enjoy a very good reputation. Diamond Jumbolon has offices all over Pakistan and serving the nation with highly motivated and energetic sales & marketing staff.