- +86-13271526781
- therm@gwdl.com
We are proud to hold numerous international and national certifications including ISO9001, ISO14001, ISO45001, CE, and select WPS/WPQ welding qualifications.
As a National High-Tech Enterprise and council member of the China Heat Treatment Association, we have obtained:
These credentials affirm our strength in R&D, safety, and long-term value for global customers.
Factory certificates demonstrate our manufacturing capabilities,quality standards, and commitment to reliabie high-temperature furnace producition.
