Dear sir, This is Tony from Guizhou Pingruihe Minerals Co.,Ltd. I am very honour to contact with you and maybe we have a chance to cooperate. 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 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) Spec: BASO4 95%min; Whiteness 80%min; Size 1-200mm 90%min Output: 30,000mts annually 3. White barite in lump(treated by acid) Spec: BASO4 96%min; Whiteness 90%min; Size 1-200mm 90%min. Output: 50,000mts annually We have store over 10,000mts white barite rock at Fangchen port of China now, if you have any questions for above mentioned, please contact me without hesitate. May i know if we have a chance to cooperate? Thanks Tony Guizhou Pingruihe Minerals Co.,Ltd Add:3/3 ENTRANCE 4, DONGFANG XINYUAN GARDEN,MINSHENG ROAD, GUIYANG, 550001, GUIZHOU, CHINA