Olmesartan Medoxomil/Levamlodipine

The main purpose of the study is to study the pharmacokinetic characteristics of the test preparation Olmesartan Medoxomil Levoamlodipine Tablets (produced by Jiangxi Shimei Pharmaceutical Co., Ltd.) and the reference preparations Olmesartan Medoxomil Tablets (trade name: Aotan, produced by Daiichi Sankyo Pharmaceutical (Shanghai) Co., Ltd.) and Amlodipine Besylate Tablets (trade name: Norvasc, produced by Pfizer Pharmaceuticals Co., Ltd.) in healthy Chinese adult subjects in the fasting/postprandial state, and to evaluate the bioequivalence of the two preparations in the fasting/postprandial state. Secondary purpose of the study is to evaluate the safety of the test preparation Olmesartan Medoxomil Levoamlodipine Tablets and the reference preparations Aotan and Norvasc in healthy Chinese adult subjects.