国产成人综合91精品,欧美v亚洲,亚洲精品视,精品一区二区在线观看,久久久久久久久综合,国产成人精品综合久久久,精品国产一区二区三区成人

Today is the day.:2025Years06Month02Day Chinese| Back to Home
Current position Home> Quality Assurance
Quality Inspection Center

R&D is the key source of Zhengli development which provide continuous support for products renovation, quality management and cost optimization.

Zhengli has an experienced R&D team in various fields such as silicate, equipment, pharmaceutical, biological products etc. After years of efforts, Zhengli has gained many patents. We are also cooperating with universities in innovative research and sharing higher technology achievements together.

Quality Inspection Center


WeChat QR Code
  • About Us Company Profile Development History
  • News Company News Industry News
  • Products Vials Cartridges Prefilled Syringe Ampoules Customization
  • Technology Scientific Research
  • Contact Us Add:No 38 Hongsheng Road,Hongtang Industrial A.Ningbo City,China Tel:+86 574 8757 6668 Fax:86 574 8757 6898 E-mail: info@nbzhengli.com