SIGMA CHEMICAL INDUSTRIES W - 77/A, Chikloli MIDC, Ambernath (West) -421 502, District Thane, Maharashtra, India Manufacturers of Industrial Chemicals, Pretreatment Chemicals, Optical Brightening Agents, Textile Finishing Chemicals Optical Brightening Agent Thane... Contact Person: Mr. Sharad Khadilkar (Owner) Send Inquiry