Hualong Ammonium Nitrate CO.,LTD Shandong Ocean Chemical occupies 150000 suqare meters with existing total assets of 300 million Yuan and annual sales revenue of 280 million Yuan.It's main products include:sodium nitrate,sodium nitrite,sodium nitrite,food grade strontium nitrate and barium nitrate etc.Of which,the annual capacity of sodium nitrate strontium nitrate and barium nitrate etc