Rong Dong Technology Co., Ltd., also called R&D in short, is a source oriented enterprise focusing on the sales and maintenance of crypto mining machines.
We provide the following four services:

1. First-hand supply and better price.

2. Higher test standards than the competitors, to ensure miner's performance to customers.

3. Strong technical support, 24 sales and after-sales service.

4. Reliable and fast transportation channels.
What's more, we can especially get the latest pre-sale models. We have an efficient team to provide customized services and supply a large number of first-hand sources: Antminer - Whatsminer -Goldshell - Avalon - Ebit Miner - Panda - Innosilicon- GPU miner.
We have our own warehouse to provide one-stop services in this industry, such as maintenance, cleaning, testing, repairs, packaging and so on. Now, we are trying to find partners all over the world.