Weifang Dudeli Chemical Industry Co., Ltd

AlfatestLab is a contract analysis laboratory that provides you with results you can trust, thanks to decades of experience on analytical techniques and their applications.

When it comes to electrical contacts, DODUCO is a world leader. Backed by over 90 years of experience in the processing of precious metals and our extensive know-how in electro-conductive compounds, we are partners of many companies in all industries