Upper India smelting & Refinery works introduce a Manufacturer of Zinc Oxide for the Last 50 years. Upper India Smelting & Refinery Work is an ISO 9001:2000 Certified firm.The Company was formed in 1959 and has the distinction of being one of the oldest and the most credible zinc oxide manufacturers in India.The Company manufactures White Seal Zinc Oxide by French process and operates a quality management system certified under the ISO 9002 guideline.With an infrastructure that substantiates a logistical coverage spanning the entire country, the company has established itself as one of the pioneering companies with decades old relationships with its clients.Our Products:Upper India Smelting & Refinery Works producing the (French process) Zinc Oxide. French Process zinc oxide is a white, odorless�powder possessing high brightness, a high refractive index and a relatively fine particle size.1. Zinc Oxide99.7%, 99.5%, 99.0% & 97.0 %