There is no contract required, no minimum commitment and you can cancel it anytime
无需合同，无需承诺义务，可以随时取消。
Discount is available on a contract basis, subject to certain minimum volumes.
根据委托检测数量，经谈判可签订合同对于检测费用给予一定折扣。
Discount is available on a contract basis, subject to certain minimum volumes.
根据委托检测数量，经谈判可签订合同对于检测费用给予一定折扣。
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