s17+ S17 T17 T17+ S19 S19 pro Z15 hash board repair and upgrade the heatsinks

Description

please Ask the repair price before buying.
we repair it very fast just need about 3days.can shipping back to u.
antminer s17+ S17 T17 hash board repair and Improvement upgrade the heatsinks.
Note: please contact with me ask the price before pay it
we can repair antminer hash board. and Improvement upgrade the heatsinks.
the boards will more durable and more stable and the temperature will decreases by 5-7°after upgrade the heat sinks.By the way we selling whole machine too.please let me know if you have any question.