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M20S M21S M30S M31S FR4 Base Main Controller Board

M20S M21S M30S M31S FR4 Base Main Controller Board
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Model Number: For M20S/M21S/M30S/M31S
Place Of Origin: China
Brand Name: Control Board
Supplier Type: Manufacturer
Base Material: Fr-4
Keywords: Mainboard
High Light:

M31S Main Controller Board


M21S Main Controller Board


FR4 Base Main Control Board

Basic Infomation
Place of Origin: China
Brand Name: No
Certification: CE ROSH FCC
Model Number: Control Board
Payment & Shipping Terms
Packaging Details: Standard Packing
Delivery Time: 3-7 Work Days
Payment Terms: T/T, Western Union, MoneyGram,USDT
Supply Ability: 1000PCS/Months
Product Description

Control Board For M20S M21S M30S M31S HashBoard Main Controller Board


Model Numbe

For M20S/M21S/M30S/M31S 

Place of Origin


Brand Name

Control board

Supplier Type


Base Material



Communications Equipment

Testing Service


About product:

Control Board for M20S M21S M30S M31S. Communications Equipment. 24Hours Technical Services.


About us:

Leed was established in 2008. Based in Shenzhen, China, the company enjoys convenient transportation and beautiful scenery. We entered the Blockchain and mining industry in 2017 and have since become one of the most trusted miner wholesalers in the entire industry. Throughout 5 years of development and expansion, we have grown our one stop service including mining consulting, sales, international transportation, miner repair and maintenance.

We have a 1500㎡ office area with over 40 staff including engineers, sales representatives and marketers. As well as the office, we also have a 3000㎡ workshop with 4 integrated testing lines, 1 maintenance and cleaning line and 1 repair centre supported by over 20 staff, technical experts, maintenance workers, and warehouse staff.
Our main products are Bitmain Antminer, Whatsminer, Avalon, Goldshell and GPU miners. The main markets we are targeting are the United States, Canada and Europe. However, we have ambitions to expand our business globally and are committed to providing hassle-free sourcing services to our clients around the world. Please feel free to contact us if you have any question.


M20S M21S M30S M31S FR4 Base Main Controller Board 0M20S M21S M30S M31S FR4 Base Main Controller Board 1M20S M21S M30S M31S FR4 Base Main Controller Board 2

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Tel : +86 18126351869
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