Optical Time Domain Reflectometer -- BeiJing New EO Techonlogy

Description

Better offer: Contact: johnnyzheng606 (Gmail)
Contact Us:
(1).
If there's any problem, please do not hesitate to contact us by ebay message, we will reply you within 1 business day. (not include Public holiday)
(2).
Work Hours:
Monday to Friday
(3).
If you don't get response within 1-2 business days, please check your eBay email or My Messages in case your email provider has an overly-aggressive spam filter blocking eBay or my emails. Please add us in your contact and email us agai
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Return & Refund policy:
(1).
We fully guarantee our items. All items are in brand new condition unless specified otherwise elsewhere in the description.
(2).
All returns - defective or otherwise - have to be preauthorized. Please contact us to get an authorization and returning address before sending the item back.
(3).
In all cases, buyers pay shipping fees at their own cost to return products for exchange or refund. We will be responsible for the postage of replacements.
(4).
Replacement will be made upon receipt of the returned item.