[DISCLOSURE] nTels (069410) announced on June 28 that it has signed a 7.1 billion won (US$6.34 million) contract with SK Telecom (017670) to provide technology support. 

This amounts to 15.1 percent of its 2017 revenue and the contract is valid until March 31, 2019. 

By Hwang You-mee (glamazon@heraldcorp.com)