Hanmi Pharmaceutical credit rating upgraded

Hanmi Pharmaceutical, one of the nation’s leading pharmaceutical companies, said Tuesday it has received an upgrade in its credit rating from A (negative) to A0 (stable) from Korea Ratings (KR) and Korea Investors Service.

Citing KR’s recent report, company officials said the latest evaluation reflected, among others, the company’s robust sales of Palpal tablets (sildenafil), its R&D spendin...