... machineWe are specializing in producing Jacquard warp knitting machine, Crochet machine and Seamless underwear machine with JL,RJPC,RSJ,RJWB,RDPJ,DJ,MRPJ ... two piezo ceramics which are isolated from each other with a layer of glass fibers. Piezo ceramics have the property to ... deform itself if a voltage is set. A voltage of about 200V is set alternatingly on each ...