Business License
Official business registration certificate of Gongyi Yulin Welding Materials Co., Ltd.
Official business registration certificate of Gongyi Yulin Welding Materials Co., Ltd.
Recognized as a National High-Tech Enterprise, valid for three years from November 4, 2025.
Technical inspection certificate for Yulin sintered flux under EN 13479:2017.
Quality management system certification for the production and sales of sintered flux.