pt. indacOther carbon products. Bogor,. Indonesia. ISO 9001;2008 Cert.#30137. ISO 14001;2004 Cert.#35012. Certified by Verification New Zealand. Recognition. Infrastructure. Land : 45,880m2. Bulding : 14,000m2. Employees : 261 (local) & 4 (expatriate). Facilities & Infrastructure. Special Carbon Products. 1 Ball mill. 2 Kneaders.sejarah ball mills,The Mills Brothers - WikipediaThe Mills Brothers, sometimes billed the Four Mills Brothers, and originally known as the Four Kings of Harmony, were an African-American jazz and pop vocal quartet who made more than 2,000 recordings that sold more than 50 million copies and garnered at least three dozen gold records. The Mills Brothers were.