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A: Hardware units ship with standard factory-default firmware. For proprietary programming software or specific firmware flashes required for legacy system compatibility, buyers must consult our technical support team during procurement to confirm licensing terms.
A: Once a Proforma Invoice is issued and payment is confirmed, your pricing is legally locked. OKmarts absorbs any subsequent raw material price spikes, supplier price adjustments, or sudden export tariff increases, guaranteeing that the price you pay at checkout is final.
A: Upon request, we provide standard manufacturer compliance documentation, including Certificates of Conformance (CoC), factory inspection reports, and CE/RoHS certification data sheets to ensure alignment with international regulatory and safety standards.
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A: To check the production date or expiration date of a product, you can refer to the product packaging or labels. We provide clear and accurate information regarding the manufacturing date and expiration date, allowing you to make informed purchasing decisions. If you need further assistance, our customer service team is always ready to help.
A: Depending on the region and order amount, we may support cash on delivery. On the checkout page, if cash on delivery is available as one of the options, you can choose this payment method to complete the order.
Feb 07, 2026
Mar 24, 2025
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