For small orders, shipping by air is fine. No problem.
But for big orders with heavy weight and high volumn, shipping by sea will be much better. Can save money.
First of all, sent our photos and videos as much as possible, make sure we can understand what's happening in your side. If it's our problem, we will send you new products immediately, or make you a refund. ,
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Most of our products are CE and ROHS certified. ,
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We provide 24/7 online tech support. If problem cannot solve by yourself, we will send you a new one for alternative in your next order. ,
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We have three step of inspection during the whole production proccess. First, raw materials inspection. Second, sample inspection. Third, cargo ready inspection. Of course, we can acceept third party inspection before shipment. No problem. ,
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Shenzhen Signpower Group
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