Established in 2017, Chengdu Goalwin Technology Co., Ltd in Si Chuan, Where is the world's largest miner cluster.Goalwintech is specializing in miners and providing power supply, miner fan, etc., and has several years of rich experience in providing mining farm hosting service and one-stop solutions. Our Advantages:1.We provide one-stop solution for your mining. Both miners and mining farm hosting service are available.2. We have all kinds of miners on sell including used miner, Original Bitmain Antminers, Whatsminer,Innosilicon, StrongU, Avalon Miner, WhatsMiner, EBIT Miner, etc. 3.The quality of products can be guaranteed! We have our own quality inspecting factory. Every product will be inspected before packing. We have our own maintenance team, who can provide after-sale service.