ZDI is an international welding professional company integrating independent research and development, production, sales and after-sales service.
Founded in 2005, the company has nearly 20 years of welding material manufacturing experience, advanced manufacturing and testing equipment and an experienced management team to provide our users with a full range of filler metals and welding experiment and testing services. Besides, we have our own CNAS certificated labs for testing. Welcome to visit our booth!