As a professional chemical factory, we have been engaged in producing Sodium Metabisulphite, Sodium Bisulphite and Sodium Sulphite anhydrous for over 12years. Our annual output reaches 60000mt, 20000mt and 10000mt separately, and is shared in both domestic and abroad market. Sincerely hope to cooperate with you based on our quality, honesty and most favorable price. The further detailed information about our facotory and products are available on your inquiry.