... of 500,000 tons for soda ash. high quality. best service. ISO:9001-2 1. Currently the company has 780 employees ... enterprise management skills. Annual Sodium Carbonate output is 500,000tons.2. Produced by Ying Cheng Chemical Co., LtdPackaging specification: 25Kg, ... The Soda Ash light is used in making soap, textile, printing and dyeing, bleaching, paper making, refined petroleum, metallurgy and ...