<?xml version="1.0" encoding="UTF-8"?><urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"><url><loc>https://refinetek.cn/?lang=en</loc></url><url><loc>https://refinetek.cn/about</loc></url><url><loc>https://refinetek.cn/technologies</loc></url><url><loc>https://refinetek.cn/sustainability</loc></url><url><loc>https://refinetek.cn/solutions</loc></url><url><loc>https://refinetek.cn/cases</loc></url><url><loc>https://refinetek.cn/news</loc></url><url><loc>https://refinetek.cn/contact</loc></url><url><loc>https://refinetek.cn/cn/</loc></url><url><loc>https://refinetek.cn/cn/about</loc></url><url><loc>https://refinetek.cn/cn/technologies</loc></url><url><loc>https://refinetek.cn/cn/sustainability</loc></url><url><loc>https://refinetek.cn/cn/solutions</loc></url><url><loc>https://refinetek.cn/cn/cases</loc></url><url><loc>https://refinetek.cn/cn/news</loc></url><url><loc>https://refinetek.cn/cn/contact</loc></url><url><loc>https://refinetek.cn/solutions/helium</loc></url><url><loc>https://refinetek.cn/solutions/hydrogen</loc></url><url><loc>https://refinetek.cn/solutions/carbon</loc></url><url><loc>https://refinetek.cn/solutions/semiconductor</loc></url><url><loc>https://refinetek.cn/cn/solutions/helium</loc></url><url><loc>https://refinetek.cn/cn/solutions/hydrogen</loc></url><url><loc>https://refinetek.cn/cn/solutions/carbon</loc></url><url><loc>https://refinetek.cn/cn/solutions/semiconductor</loc></url><url><loc>https://refinetek.cn/cases/l-n-g-b-o-g-ti-hai-xi-tong-zhong-guo-hei-long-jiang-yuan-liao-qi-1-3-1-5-n-m-3-h</loc><lastmod>2026-10-10T12:00:00.000Z</lastmod></url><url><loc>https://refinetek.cn/cases/online-helium-recycling</loc><lastmod>2026-01-01T00:00:00.000Z</lastmod></url><url><loc>https://refinetek.cn/cases/co2-removal-indonesia-jambi-merang</loc><lastmod>2025-01-01T00:00:00.000Z</lastmod></url><url><loc>https://refinetek.cn/cases/hydrogen-recovery-inner-mongolia</loc><lastmod>2024-01-01T00:00:00.000Z</lastmod></url><url><loc>https://refinetek.cn/cases/lng-bog-helium-shanxi-1100</loc><lastmod>2024-01-01T00:00:00.000Z</lastmod></url><url><loc>https://refinetek.cn/cases/co2-removal-jordan</loc><lastmod>2023-01-01T00:00:00.000Z</lastmod></url><url><loc>https://refinetek.cn/cases/lng-bog-helium-shanxi-300</loc><lastmod>2023-01-01T00:00:00.000Z</lastmod></url><url><loc>https://refinetek.cn/cases/lng-bog-helium-inner-mongolia</loc><lastmod>2022-01-01T00:00:00.000Z</lastmod></url><url><loc>https://refinetek.cn/cases/gu-tai-chu-qing-mo-kuai</loc></url><url><loc>https://refinetek.cn/cases/gu-tai-chu-qing-cai-liao-biao-zhun-xing-lu-ping-xiao-xing</loc></url><url><loc>https://refinetek.cn/cases/2</loc></url><url><loc>https://refinetek.cn/cn/cases/l-n-g-b-o-g-ti-hai-xi-tong-zhong-guo-hei-long-jiang-yuan-liao-qi-1-3-1-5-n-m-3-h</loc><lastmod>2026-10-10T12:00:00.000Z</lastmod></url><url><loc>https://refinetek.cn/cn/cases/online-helium-recycling</loc><lastmod>2026-01-01T00:00:00.000Z</lastmod></url><url><loc>https://refinetek.cn/cn/cases/co2-removal-indonesia-jambi-merang</loc><lastmod>2025-01-01T00:00:00.000Z</lastmod></url><url><loc>https://refinetek.cn/cn/cases/hydrogen-recovery-inner-mongolia</loc><lastmod>2024-01-01T00:00:00.000Z</lastmod></url><url><loc>https://refinetek.cn/cn/cases/lng-bog-helium-shanxi-1100</loc><lastmod>2024-01-01T00:00:00.000Z</lastmod></url><url><loc>https://refinetek.cn/cn/cases/co2-removal-jordan</loc><lastmod>2023-01-01T00:00:00.000Z</lastmod></url><url><loc>https://refinetek.cn/cn/cases/lng-bog-helium-shanxi-300</loc><lastmod>2023-01-01T00:00:00.000Z</lastmod></url><url><loc>https://refinetek.cn/cn/cases/lng-bog-helium-inner-mongolia</loc><lastmod>2022-01-01T00:00:00.000Z</lastmod></url><url><loc>https://refinetek.cn/cn/cases/gu-tai-chu-qing-mo-kuai</loc></url><url><loc>https://refinetek.cn/cn/cases/gu-tai-chu-qing-cai-liao-biao-zhun-xing-lu-ping-xiao-xing</loc></url><url><loc>https://refinetek.cn/cn/cases/2</loc></url><url><loc>https://refinetek.cn/news/solid-state-hydrogen-storage-the-right-way-to-unlock-hydrogen-energy</loc><lastmod>2026-03-18T00:00:00.000Z</lastmod></url><url><loc>https://refinetek.cn/news/going-global-along-the-belt-road-expanding-the-helium-hydrogen-industry-worldwide</loc><lastmod>2025-12-04T00:00:00.000Z</lastmod></url><url><loc>https://refinetek.cn/news/refinetek-large-scale-co2-removal-equipment-empowers-regional-clean-energy-development</loc><lastmod>2025-04-26T00:00:00.000Z</lastmod></url><url><loc>https://refinetek.cn/news/fengsheng-3m-m3-lng-bog-helium-extraction-project-successfully-delivered</loc><lastmod>2024-11-19T00:00:00.000Z</lastmod></url><url><loc>https://refinetek.cn/news/the-hydrogen-pipeline-era-blending-hydrogen-into-natural-gas-networks</loc><lastmod>2024-11-05T00:00:00.000Z</lastmod></url><url><loc>https://refinetek.cn/news/refinetek-goes-global-jakarta-leg-concludes-successfully</loc><lastmod>2024-11-05T00:00:00.000Z</lastmod></url><url><loc>https://refinetek.cn/news/another-milestone-refinetek-signs-3m-m3-lng-bog-he-h2-extraction-system</loc><lastmod>2024-04-25T00:00:00.000Z</lastmod></url><url><loc>https://refinetek.cn/news/officially-launching-h2-he-ar-extraction-systems-for-ammonia-tail-gas</loc><lastmod>2022-12-16T00:00:00.000Z</lastmod></url><url><loc>https://refinetek.cn/news/world-s-first-large-scale-he-h2-extraction-system-based-on-novel-separation-technology-signed</loc><lastmod>2022-12-16T00:00:00.000Z</lastmod></url><url><loc>https://refinetek.cn/news/refinetek-officially-moves-to-new-headquarters</loc><lastmod>2020-07-24T00:00:00.000Z</lastmod></url><url><loc>https://refinetek.cn/news/helium-purification-system-passes-samsung-acceptance</loc><lastmod>2019-10-09T00:00:00.000Z</lastmod></url><url><loc>https://refinetek.cn/news/helium-purification-system-for-hvac-industry-officially-released</loc><lastmod>2019-10-09T00:00:00.000Z</lastmod></url><url><loc>https://refinetek.cn/news/2</loc></url><url><loc>https://refinetek.cn/cn/news/zhe-cai-shi-qing-neng-de-zheng-que-da-kai-fang-shi-ce-shi</loc><lastmod>2026-10-29T12:00:00.000Z</lastmod></url><url><loc>https://refinetek.cn/cn/news/solid-state-hydrogen-storage-the-right-way-to-unlock-hydrogen-energy</loc><lastmod>2026-03-18T00:00:00.000Z</lastmod></url><url><loc>https://refinetek.cn/cn/news/going-global-along-the-belt-road-expanding-the-helium-hydrogen-industry-worldwide</loc><lastmod>2025-12-04T00:00:00.000Z</lastmod></url><url><loc>https://refinetek.cn/cn/news/refinetek-large-scale-co2-removal-equipment-empowers-regional-clean-energy-development</loc><lastmod>2025-04-26T00:00:00.000Z</lastmod></url><url><loc>https://refinetek.cn/cn/news/fengsheng-3m-m3-lng-bog-helium-extraction-project-successfully-delivered</loc><lastmod>2024-11-19T00:00:00.000Z</lastmod></url><url><loc>https://refinetek.cn/cn/news/the-hydrogen-pipeline-era-blending-hydrogen-into-natural-gas-networks</loc><lastmod>2024-11-05T00:00:00.000Z</lastmod></url><url><loc>https://refinetek.cn/cn/news/refinetek-goes-global-jakarta-leg-concludes-successfully</loc><lastmod>2024-11-05T00:00:00.000Z</lastmod></url><url><loc>https://refinetek.cn/cn/news/another-milestone-refinetek-signs-3m-m3-lng-bog-he-h2-extraction-system</loc><lastmod>2024-04-25T00:00:00.000Z</lastmod></url><url><loc>https://refinetek.cn/cn/news/officially-launching-h2-he-ar-extraction-systems-for-ammonia-tail-gas</loc><lastmod>2022-12-16T00:00:00.000Z</lastmod></url><url><loc>https://refinetek.cn/cn/news/world-s-first-large-scale-he-h2-extraction-system-based-on-novel-separation-technology-signed</loc><lastmod>2022-12-16T00:00:00.000Z</lastmod></url><url><loc>https://refinetek.cn/cn/news/refinetek-officially-moves-to-new-headquarters</loc><lastmod>2020-07-24T00:00:00.000Z</lastmod></url><url><loc>https://refinetek.cn/cn/news/helium-purification-system-passes-samsung-acceptance</loc><lastmod>2019-10-09T00:00:00.000Z</lastmod></url><url><loc>https://refinetek.cn/cn/news/helium-purification-system-for-hvac-industry-officially-released</loc><lastmod>2019-10-09T00:00:00.000Z</lastmod></url><url><loc>https://refinetek.cn/cn/news/2</loc></url></urlset>