Shandong sintering Flux | Flux smelting wholesale [strong]. . The company specializes in flux 20 years of experience, quality assurance, shelf! Website: www.lwsyhj.com Wang: 135-6348-5249 Laiwu Sheng Yang Welding Materials Co., Ltd. is the production of fused flux and sintered flux output, the largest species, the best quality of large-scale enterprises engaged in welding and we look forward with you. sincere cooperation!