▁with ▁construction ▁beginning ▁in ▁ 1 9 7 5 . ▁The ▁construction ▁was ▁evaluated ▁by ▁the ▁Chr . ▁Mich elsen ▁Institute , ▁an ▁independent , ▁non - pro fit ▁research ▁foundation ▁based ▁in ▁Norway . ▁ ▁However , ▁many ▁problems ▁caused ▁the ▁project ▁to ▁take ▁until ▁ 1 9 9 6 ▁before ▁reaching ▁the ▁project ed ▁capacity . ▁The ▁project ed ▁cost ▁was ▁ 7 7 0 ▁million ▁Swedish ▁k ron or , ▁but ▁instead ▁tot aled ▁to ▁ 2 . 8 ▁billion ▁Swedish ▁k ron or . ▁For ▁many ▁years , ▁the ▁B ã i ▁B <0xE1> <0xBA> <0xB1> ng ▁paper ▁mill ▁was ▁seen ▁as ▁problem atic . ▁In ▁the ▁long ▁run , ▁B ã i ▁B <0xE1> <0xBA> <0xB1> ng ▁became ▁a ▁success . ▁It ▁is ▁the ▁largest ▁paper ▁mill ▁in ▁Vietnam , ▁and ▁after ▁reaching ▁oper ational ▁capacity ▁in ▁ 1 9 9 6 , ▁one ▁of ▁the ▁most ▁successful ▁paper ▁mill s ▁in ▁the ▁country . ▁ ▁Production ▁and ▁importance ▁When ▁the ▁mill ▁oper ates ▁at ▁maximum ▁capacity ▁it ▁produces ▁approximately ▁ 4 0 ▁percent ▁of ▁all ▁the ▁paper ▁in ▁Vietnam , ▁and ▁is ▁one ▁of ▁the ▁largest ▁manufact ur ers ▁of ▁to ile t ▁paper ▁in ▁the ▁country . ▁In ▁ 2 0 0 8 , ▁the ▁mill ▁produced ▁ 1 1 0 , 0 0 0 ▁tons ▁of ▁paper , ▁twice ▁as ▁much ▁as ▁planned . ▁ ▁A ▁project ▁to ▁expand ▁the ▁mill ▁was ▁started ▁in ▁ 2 0 0 5 ▁with ▁the ▁goal ▁of ▁increasing ▁the