Our company mainly develops and produces the pure natural anti-impotence materials,weight-loss and hypoglycemic raw materials.We cooperate with domestic and foreign famous colleges, hospitals and research institutes in developing the pure natural materials which is efficiency,safety,low cost and with small side effects.We have our own intellectual property rights! We successfully develop and produce the 3,4 generations of phosphodiesterase 5(PDE5) inhibitors at the same time.and now compared with the various chemical raw materials which is on sale in the international market,not only mechanism,but its molecular structure and nature of the molecular weight,HPLC map,MS,IR,Metabolism product are so different.Prohibited ingredients cannot be detected,Our products can meet and through the product testing requirements of Southeast Asia,the Middle East,Africa,Europe,America and more than 20 countries and regions.