HALDIA PETROCHEMICALS LIMITED Address: 1, Auckland Place, Kolkata - 700017, West Bengal, India. Contact Person: Manufacturer Of Chemicals : Benzene, Butadiene, Cyclopentane, C4 Hydrogenated (LPG), Pyrolysis Gasoline (Py Gas), Carbon Black Feedstock (CBFS), Polymers : Polyethylene, Polypropylene