BERLIN--(BUSINESS WIRE)--Johns Manville (JM), a leading manufacturer of premium-quality building, specialty and filtration products and a Berkshire Hathaway company, today celebrated the inauguration of a state-of-the-art polyester spunbond production line at its Berlin, Germany, facility. The new production line is part of a strategic plan to support the growing demand for high-end polyester filtration media. The new production line utilizes newly developed proprietary spinning technology and
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