Hanchen Instrument is trusted by more than a hundred Amazon.com customers in the US.
They have been selling on the Amazon.com marketplace since 2015. They sell Hanchen, Hanchen Instrument®, Hanchen Instrument, Hanchen Intrument and other brands products. They have few thousand products in stock, some with Prime shipping available, but most are shipped from their warehouse.
For most recent reviews checkout Hanchen Instrument profile on Amazon.com.