Dear Sir, I am very honour to know you have interesting in barite business from internate. Our company is main export the white barite lump long time. Our details of mines and specifications be present as follows: 1. Super white barite in lump Mine located at : Gudong town, Majiang county/ Mazai town, Duyun city, Guizhou of China Spec: BASO4 97%min; Whiteness 94%min; Size 1-150mm 90%min Output: 7,000-9,000mts annually Packing: In 50kgs P.P bags/ 1mts P.P bags. 2. Off-white barite in lump(treated by acid) Mine located at : Bibo town/Lusan town, Kaili city, Guizhou of China Spec: BASO4 95%min; Whiteness 80%min; Size 1-200mm 90%min Output: 30,000mts annually Packing: Bulk into container 3. White barite in lump(treated by acid) Min located at: Bibo town/Lusan town, Kali city, Guizhou of China. Zhijin county, Guizhou of China. Spec: BASO4 96%min; Whiteness 88%min; Size 1-200mm 90%min. Output: 50,000mts annually If you have any questions for above mentioned, please contact me without hesitate. In the meantime, I send some pictures and test report to you for your reference in attached. Your early reply should be appreciated highly. Your faithfully Tony Deng Guizhou Dingxin Minerals&Technology Development Co.,LtdTel: (+86)851 8584-3698 Fax: (+86)851 8584-3656 Mobile: (+86) 13608513434