... ,rich experience and advanced production and test equipments. And we have the ability of empoldering the mould by ourself,just you send me your design ... ,drawing or 3D picture.we can guarantee to serve you the good product,suitable price and quality.Features ... ,EPDM,CR,IIR,SBR,etc2.tha hardness is according to the customers' requirements,suggested hardness is between 40-80 shore A3 ...