PONTIANAK, May 22, 2016 (Xinhua) -- Workers are seen at a bauxite smelter plant during the soft opening of Well Harvest Winning Alumina Refinery Company at Ketapang district in West Kalimantan province, Indonesia, on May 21, 2016. The bauxite smelter plant is the first one operated by joint enterprise between China and Indonesia in Indonesia. China Hongqiao Group, the world's largest aluminium producer by capacity, formally commenced its 1 million tonne per annum alumina production line in Indonesia's Borneo on Saturday, in a bid to boost the production capacity cooperation between China and Indonesia. (Xinhua/Veri Sanovri)
