DHP India Limited manufactures and sells specialized engineering products for gas control. Its offerings encompass liquefied petroleum gas (LPG) regulators, including those for propane and butane, as well as essential hose assemblies and brass fittings. The company operates an ISO 9001:2015 certified factory in Howrah, West Bengal, serving both Indian and international markets. Founded on April 26, 1991, the firm is headquartered in Kolkata, India.