plastic product circle for bodybuilding products material:POM high quality certification:ISO9001:2008 moq:5000pcs plastic product circle for bodybuilding productsmaterial:POMhigh qualitycertification:ISO9001:2008colour: white colour or as per your request.moq:5000pcsPrecision/tolerance:0.01mm;Surface processing technics: Heat treatment, Induction hardening, carbonadoing, Others optional;Products ...