Antminer Blockchain S15 28T+1652W Mining BTC used/new machine Stock

S15 is a blockchain miner launched by Antminer, which is mainly used to mine the digital cryptocurrency BTC.

Our service

1.StepAhead provide one-stop cryptocurrency mining services, from miners procurement, logistics, container mine construction, to mine management.

2.We also a miner, mining Bitcoin and XCH, etc. We have built mining farm from 2017, and established mines in Xinjiang, Gansu, Yunnan, Sichuan of China.

3.StepAhead committed to providing customers with reliable, safe and timely one-stop mining services.

Shenzhen StepAhead is a high-tech enterprise, now mainly focusing on Mask making machines, different types of mask and related raw materials; also produce High-speed flying probe tester, Dedicated bare board tester, legend inkjet printer and AOI. We are a comprehensive manufacturer integrating the upstream and downstream industries of mask supplies. StepAhead aims to provide one-stop solutions for mask factories and mask distributors. Our technician team is experienced experts in the industry, and the company has obtained more than 30 patents, and become a national high-tech enterprise. 

Shenzhen StepAhead has found in Shenzhen for over a decade, our mask machines, mask related materials and masks have sold all around the world, including the USA, Korea, Japan, France, German, Vietnam, Morocco, Brazil, etc.

Since 2020, with the recognized and supported by many customers, StepAhead’s Mask Machines Department accounts for over 50 machines for the monthly sales volume. For after-sales，StepAhead adopts the one-to-one technical guidance, 24 hours online, 8 hours response services plan, to maximize the stability of the customer's machine operation.

The StepAhead Mask Department and the Raw Materials Department are establishing distribution networks and warehouses around the world to reduce transportation costs, and allow our products to be delivered to consumers as quickly as possible.

We are always Keeping our Step ahead.