Rongda Chemical Co.,Ltd is an export-oriented enterprise specialized in producing and marketing zinc-based chemical material. Our head company is Zhuzhou Mingqi Chemical Co.,Ltd .which was established in 2005,famous by the great performance and reputation in domestic chemical market. Actually we are biggest distributor for sodium sulfite in China. Rongda was built mainly for our export sales. Rongda has it’s own invested and cooperative facilities,and also represent some other renowned suppliers in China. The main products with yearly production capacity as below: 1) Sodium sulfite anh