Shandong Hailan Chemical industry co., ltd is a modern large chemical enterprise which specializes in research, manufacturing and and trading of chemicals, covers an area of 150 thousand square meters, total assets of 400 million Yuan. And we own more than 300 employees and annual income of 800 million Yuan. Our main products include Industrial sodium nitrite, sodium nitrate industry (the two sodium).The annual output of the two sodium are 200,000 tons. Our investment on project is under operation, which can bring output of 150,000 tons of sodium meta-bisulfite and 50000 tons of sodium sulfite . At present, Hailan Chemical is the leading enterprise of two sodium. With strong technical force, complete function and advanced equipment and process, under the control of quality monitor device and computer management network, our product quality have reached and even been beyond the international standard.