男女性高潮免费网站/国产做受视频在线/亚洲精品美女在线/freesex欧美 - 午夜一级免费

  • Patent Certificate

    Hainan Periwinkle Pharmaceutical Co.,Ltd has obtained the National High-tech Enterprise Certificate. Several anti-tumor APIs are in the development stage. 2 China invention patents have authorized, many invention patents are in application

  • R & D Team

    We have a professional R&D team.

  • R & D Equipment

    Professional analysis equipment:HLPC,GC,etc.