white PTFE Back up Ring
We are an energetic firm with wide market for PTFE orPU orNR o-ring, Hydraulic NBR Bonded Seal Washers, FFKM Oring. Zhonggao Seal Technology is one of the leading white PTFE Back-up Ring manufacturers and suppliers in China. Our factory has a wide varieties of white PTFE Back-up Ring products in stock. Please be free to buy the bulk products from us. And we will also offer the customized service if necessary.