Zk international's subsidiary, xsigma corporation, announcing the successful completion of its defi protocol audit

Wenzhou, china, feb. 18, 2021 /prnewswire/ -- zk international group co., ltd. (nasdaq: zkin) ("zkin", "zk international" or the "company"), is pleased to announce that xsigma corporation, a subsidiary of the company and a blockchain r&d lab, is announcing that the smart contracts of its...
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