Binzhou trade union cards all adopt the latest standard chip cards, which not only have all financial functions of bank debit cards such as payment, consumption, transfer and remittance, but also enjoy financial preferential services such as annual fee exemption, small account management fee, card refund fee and SMS reminder fee. Trade unions integrate social resources to provide cardholders with preferential value-added services such as "food, housing, transportation, medical care, transportation, shopping and entertainment". Members can enjoy the biggest discount provided by merchants when they use their cards in the service base of trade union members.