Diamond Core Bit

Service Guarantee

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  Free Service Charge

  ECVV doesn't charge any service fee to Buyers for buying this product.

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  ECVV Supply

  ECVV is responsible for supply, and provides product quality inspection, fund supervision and supply chain services.

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  Product Quality Commitment

  ECVV China Sourcing Agent will assess the reputation and supply ability of the factory and conduct field trips to select the high-quality Chinese factories for buyers.

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  Deposit Service Commitments

  In order to improve the quality of service, ECVV will charge for a 100CNY deposit for the agent purchasing order, and the deposit will be part of subsequent purchasing costs.

  After paying a deposit, if the purchasing order is not completed because of unsatisfied ECVV services, ECVV will refund your deposit.