QINTEX EXTENDS PRINCEVILLE <PVDC> OFFER <Qintex America Ltd> said it is again extending its offer of 13 dlrs a share for 3.3 mln Princeville Development Corp shares until today from yesterday. As reported yesterday, Qintex said, about seven mln Princeville shares had been tendered in response to the offer. Qintex said it is extending the offer to allow Princeville to comply with federal law restricting the ownership of U.S. airlines by non-U.S. citizens and to finalize the terms and conditions of the letter of credit or bank guarantee required under the previously announced acquisition agreement.