Bitmain is scheduled to deliver 600 miners on a monthly basis, with the first delivery starting next month.
The company acquired nearly 18,000 new ASICs in an all-stock transaction.
The company expects 1,000 more S19 machines by December.
For all of bitcoin’s promise of being the world’s first decentralized, peer-to-peer cryptocurrency, 65 percent of the total hash power resides in China, according to a recent report by CoinShares Research.
Bitmain has unveiled a new miner for the privacy-oriented crypto zcash, which it says, has three times more hashing power than its predecessor.
Bitmain has published a firmware update for its Antminer S9, using controversial "AsicBoost" code to give an efficiency hike when mining bitcoin.
Mining hardware maker Bitmain has claimed its new bitcoin ASIC will be the most power efficient chip available to the public.
A number of bitcoin mining pools around the world have been hit by a recent string of DDOS attacks.