Na Maachị 12, 2024, Guangdong Huayan Technology Co., Ltd. na Shanghai LifenGas bịanyere aka na nkwekọrịta maka igwe na-emepụta nitrogen dị ọcha nke nwere ikike nke 3,400 Nm³ / h na ịdị ọcha nke 5N (O₂ ≤ 3ppm). Usoro a ga-enye nitrogen dị ọcha dị elu maka Phase One nke Han's Laser's E ...
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