QuarkChain is integrating Chainlink oracles for smart contracts on their sharing technology based blockchain.
https://medium.com/@quarkchainio/quarkchain-integrates-chainlink-to-move-blockchain-applications-forward-6d004fcef4f3
https://medium.com/@quarkchainio/quarkchain-integrates-chainlink-to-move-blockchain-applications-forward-6d004fcef4f3