免费无码专区毛片高潮喷水,av怡红院一区二区三区,国产熟女露脸大叫高潮,337p日本欧洲亚洲大胆精品

Intellectual property

   Technology is the base of science and technology enterprises, intellectual property rights for its escort, the company since its inception, attaches great importance to the protection of intellectual property rights, after years of accumulation, declared more than 100 patents, has been approved more than 30, patent layout has been extended to the international scope.

  • ZL201911071898.0
    A triazole derivative, preparation method and use thereof
  • ZL201911072807.5
    A thienopyridine derivative, preparation method and use thereof

Address:25th Floor, Building 6, Wanxiang Hui, 21 Gaoxin Road, High-tech Zone, Xi 'an, Shaanxi

Tel:029-68801811

Zip Code:710075

Huachuang synthesis public number