Huisheng Group Co., Ltd.is the biggest manufacturer of core board and one of top 100 paper mill in China, with 60 million USD of total capital and 1000 staff .We mainly produce core board, transformer pressboard(electric insulating paperboard). Three production lines of core board, annual production ability above 500,000 tons, two production lines of transformer pressboard, annual production ability above 20,000 tons. The annual output of our factory is 500, 000 tons. Core board can be used to make high speed POY, DTY, HOY and other textile core, seamless tube.