We - UNIONLAND INTERNATONAL LIMITED is a Hong Kong company established in 1998 and completely own MEIZHOU UNION CHEMICAL CO. LTD which is the largest Sodium Metabisulfite manufacturer in Southern China and famous with the brand "LIAN YI". With the supporting of ERP and ISO system, our factory is efficient in production management and quality control, products keep in high and stable quality, and purity can be reached to 97% or higher.Moreover, we own a full equipment testing room in our factory, each lot of goods be tested and issued analysis certificate accordingly. For your information, please find our factory website: www.mzchem.com. We wish we can establish business relationship with buyers in this respect. Pease advise us of your requirement. We will serve your interest to the best advantage.