Shaodong Lida Tools Co,.Ltd. is specialized in R&D,Manufacturing and exporting Auto-Darkening Welding Helmet and Welding Machine. We have own two professional factories which cover more than 10,000 square meters. We have more than 40 high-precision production and testing equipment and 200 talented workers, including 5 senior administrator, 15 engineers and 20 technicians. With advanced technology, strict management, our products can fully and passed by ISO9001, China CCC, CE, GS, ANSI and ...