samples policy: samples with total cost below USD10 is free of
charge, delivery cost borne by buyer, which is refundable when official
order with total value USD3000 and above.
quality assurance: by manufacturer or by 3rd party from buyer
delivery time:15-18 days upon receiving deposit when order is smaller than
is USD10000, contact us if urgent delivery time is needed.
CE certificate and other quality certificate by 3rd party is available by
negotiation
