... OEM orders 3, Quick delivery 4, strict quality control Partname: 45 Degrees O-Rings Mould1. Mould for all kinds of rubber products ... Cavity/core steel: P20, 45#, Cr12MOV etc.4. Products Material: NBR, FPM, CR, EPDM, ACM etc5. Standard: DIN or JIS standard6. ... seal moulding experience. Our product's design combined JIS standard and DIN standard, which made structure and function of product more ...