A potential investor has been showing interest in the acquisition of fiberglass plant of AS Valmieras stikla skiedra (MUN:W2R) fiberglass producer, the company said in a statement to Nasdaq Riga. The company's representatives informed that Valmieras Stikla Skiedra's subsidiary P-D Valmiera Glass USA Corp. has been approached to potentially acquire its Phase 2 facility, the vertically-integrated fiberglass yarn producing operation.