We will combine the current form of blockchain to give you a comprehensive range of current popular models, covering brands such as Bitmain Antminer, Innosilicon Miner, Avalon Miner, WhatsMiner, EBIT Miner, etc. Adequate supply of goods 100% guarantees the quality of products.
To ensure 100% on-time delivery, 72-hour express service is provided for worldwide locations. Fast delivery and warranty service via DHL, UPS, and FedEx.
For regular customers, we will conduct free draws and give away miners or coupons from time to time for better customer service and long-term cooperation.
When you refer a friend to us to buy a mining machine, we will immediately give you a coupon.
WARRANTY SERVICE
The following conditions are not covered by the warranty：
Product damage caused by improper installation, use and maintenance.
Damage or failure of products caused by drops, accidents, theft, abuse, negligence, improper handling.
Damage to products caused by physical disturbances, including but not limited to moisture, fire, flood, lightning, transportation and extreme environments.
Crushing, breaking, burning, dropping or damaging the whole product, veneer or veneer assembly due to improper operation.
Damage to products caused by overvoltage or undervoltage or leakage.
Damage to the product caused by a significant increase or decrease in ambient temperature.
Product damage caused by moisture, oxidation, corrosion and short-circuiting to the product, unit or any part thereof.
Damage or loss of products caused by natural disasters, including but not limited to floods, lightning, fire, earthquakes, tsunamis and lightning strikes.
Unauthorized changes to firmware and hardware.
Damage or failure of the product caused by the use of unauthorized firmware or drivers, including but not limited to firmware that enables the user to apply overclocking settings.
Product damage due to non-universality and/or incompatibility with current and/or future versions of operating systems, software and/or hardware.
Data corruption or loss due to improper use.
Products without original barcodes or SN labels or that have been altered, defaced or removed.
Shenzhen OB Technology Co., Ltd. We are leading manufacturer in China which specialized electronic products supplying for 10 years.