Grupo Gondi will invest $300 million to build a new 350,000 ton/year recycled lightweight containerboard paper mill in Mexico.   The new paper mill will have the capacity to produce over 350,000 metric tons per year of containerboard and will provide high-quality medium and linerboard for Gondi’s converting operations and third parties.   “We are pleased to invest in this new manufacturing facility, which will help us enhance our service and position in the growing packaging market in Mexico...