... drawing 3.Precisely mold design 4.OEM/ODM custom-made pipe flange gaskets Custom-made is welcomed! Also we welcome trial order ... cycles 3. Good abrasion resistant, good elasticity 4. Deboss,emboss,printed LOGO or mark. 5. Non-toxic, Eco-friendly and harmless ... .10.OEM& ODM available, specification,drawing or samples, any shape. custom-made pipe flange gaskets