... orders 3, Quick delivery 4, Strict quality control Oil seals multi cavity tools :1. Mould for all kinds of rubber products ... as per customer's design.2. Cavity number: Single, multi-cavity3. Cavity/core steel: P20, 45#, Cr12MOV etc.4. Products ... have a number of outstanding technical members and moulding workers with ten years of domestic and oversea oil seal moulding experience ...