World’s Longest Ring Frame in Operation Attached Document: R7^^.Pongalur-Pioneer-LR90_Final-2.pdf Open in New Tab Your browser does not support inline PDFs. Click here to download the PDF. Previous in Spinning World’s Longest Ring Frame in Operation - LMW Ring Frame LRJ 90 (2400 Spindles with 65 mm gauge) at Pongalur Pioneer Textiles Next in Spinning ITM 2026: Barmag and Rieter to exhibit together