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Q What should I do if I discover a size mismatch during product installation?
A Please contact our 24/7 after-sales team immediately, providing the equipment model and part number. We will send you the correct parts free of charge and provide remote installation guidance.
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Q How do I troubleshoot a sudden power drop during engine operation?
A We recommend checking the fuel injection system and electronic control module first. If the problem persists, you can request an on-site inspection by an engineer, and we will provide a free diagnostic report.
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Q How do I handle semiconductor chip failure under extreme temperatures?
A Our chips have passed durability tests from -40℃ to 125℃. If non-human damage occurs, we will replace the chip free of charge and compensate for any shipping delays.
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Q How can I claim compensation for overseas order logistics delays?
A We have signed a priority shipping agreement with DHL/FedEx, guaranteeing delivery of standard orders within 7-15 days. For delays, we will pay a penalty of 0.1% of the contract amount per day.
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Q Are there any discounts available for repairs outside the warranty period?
A We offer exclusive discounts for customers of 3 years or more, reducing the cost of a single repair by 20%, and providing a free annual inspection service.
