C to 27oC) and 40 to 60% R.H. in the original carton.Our?Factory?Competitive?Advantages:? Well?Competitive?Prices?and?High?Quality?Control? Prompt?Delivery??? Earth-friendly?Products????? In?a?Variety?of?Design?? Small?Order?Acceptable? ? OEM?AcceptedFAQ:1) How to order from xinst?Just send us email or call us.2) Do you offer the free sample for testing?Yes, we offer the sample free, but you courier charges.3) How to ship the order?We will suggest you the appropr