Shuguang, China's oldest and largest manufacturer of vacuum tubes has been in business since 1958. In 1983, Shuguang partnered with western firm LG. As of 2005 Shuguang had developed 120 types of vacuum tubes, and manufactured over 70 million units. A notable fact: Shuguang has produced eighty percent of 300B tubes ever made.
About this tube
The auction is for one tube,brand new with excellent quality.
We ship the package within 1-3 days after the payment cleared.*
Shipping via DHL or UPS or FedEx or other express delivery takes 3-7 business days with a tracking number.
Shipping via China Post EMS or HK Post EMS usually takes 7-14 business days with a tracking number.
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Standard Return Policy:
If the item shows up defective or damaged, please email us immediately.
ONE-YEAR WARRANTY!!!
Brand new replacement with 14 days.
Defective situation must be reported to seller within 14 days upon receipt.
Returned item should be in its original box with all packing materials and shipped to us via a traceable shipping way.
We carefully inspect returned items upon receipt before issuance of refunds or exchanges.
Please allow up to 10 business days for us to process your return.
The customer needs to pay for the shipping costs for returning.
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