I'm Wendy, a member of Hyundai Medical. Would like to buy a sample first. May I know how much for a sample? How much is the shipping by EMS, DHL and Air Cargo to Singapore? Pls give a quotation of 10 sets and 100 sets as well. product cost and shipping coast on EMS, DHL and Air Cargo. If product has defects, how many years of warranty and how will it work? Replace with a new one or refund? Returning cost will be very expansive. Any supporting team in Singapore to repair? What is the different and effeteness on pain control / healing between Jade and Tourmaline mat? What is the maximum hour to use the heating mat in terms of product safety and health safety? Some China product has strong chemical plastic smell. Does your product contain any harmful material/chemical? Is it very hard and stiff, not comfortable to sleep? Does it come with English instruction booklet? What function do you have for the 2 way controller? Sauna mode, Adjustable temperature, timer ......? 40Kg is really heavy. Does it come with a wheel case that easy to move around and store?

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