CINXE.COM

<!DOCTYPE html><html lang="en-US"><head><title>Just a moment...</title><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=Edge"><meta name="robots" content="noindex,nofollow"><meta name="viewport" content="width=device-width,initial-scale=1"><style>*{box-sizing:border-box;margin:0;padding:0}html{line-height:1.15;-webkit-text-size-adjust:100%;color:#313131;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji}body{display:flex;flex-direction:column;height:100vh;min-height:100vh}.main-content{margin:8rem auto;max-width:60rem;padding-left:1.5rem}@media (width <= 720px){.main-content{margin-top:4rem}}.h2{font-size:1.5rem;font-weight:500;line-height:2.25rem}@media (width <= 720px){.h2{font-size:1.25rem;line-height:1.5rem}}#challenge-error-text{background-image:url(data:image/svg+xml;base64,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);background-repeat:no-repeat;background-size:contain;padding-left:34px}@media (prefers-color-scheme:dark){body{background-color:#222;color:#d9d9d9}}</style><meta http-equiv="refresh" content="390"></head><body class="no-js"><div class="main-wrapper" role="main"><div class="main-content"><noscript><div class="h2"><span id="challenge-error-text">Enable JavaScript and cookies to continue</span></div></noscript></div></div><script>(function(){window._cf_chl_opt={cvId: '3',cZone: "www.nti.org",cType: 'managed',cRay: '927031996e45fdff',cH: 'Lo_IrkFifdPx1KLgIemTjzfk3hsj4TCe3KWudH3x4zI-1743092202-1.2.1.1-_YtNM8.jkMV.5FQatT5OHVA4qjt0y2PPHwQs2p5tMmEd8nG.UdE544peQe_ZQx8b',cUPMDTk: "\/db\/china\/sac.htm?__cf_chl_tk=8aqHc0NZYn8b4qYmHv1aZgQRZkBGOMiLi5vJxu8tqUU-1743092202-1.0.1.1-QlOsAbcagniSv3GfKSQeCkyo1fRt0eG8w4DRrt5KW.0",cFPWv: 'b',cITimeS: '1743092202',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/db\/china\/sac.htm?__cf_chl_f_tk=8aqHc0NZYn8b4qYmHv1aZgQRZkBGOMiLi5vJxu8tqUU-1743092202-1.0.1.1-QlOsAbcagniSv3GfKSQeCkyo1fRt0eG8w4DRrt5KW.0",md: "Nm7E2PUfhMdekYsgOrgB7O.LT5Jo6L2p3hWj.e7m4tU-1743092202-1.2.1.1-XIZMmb7lTHvdPVgRsyKX4vH6jtoXgbklYFwA52cCYBm1anot1eftDyWQcDzFrkiPoNUXB2uRQi3wOxh1kz5k96Statk4mSDYxVXqHi1bgnUFAagmIKAvGyIsKFCkI_tf7n7jBbW7YZ.gnI9FDbPaEu6l2PlItj68juoZQxE70QACfCtUW4H_6KEmjb7RSTamNnauiAS2jW3XkmYdHsaxH1MbadDOJ4RYs5IqaPWOWZoXF1P5Xm8a6KzdLe09kIeZAyttbLNkE0M0c7b4Lfq7x6hrykVpI4_G1sww2g19TeKsg09yUQ.mFtNL5QyTKneWn8xce0USmKKrrEtW_4d30PHJqkakeP8vIX0W2YVavjqOQLZWVjQbTxNTF2bpPtCzFtWSyvgaEJ0bVHgYSgoncEovbTKfdMvxHZGbi06Bf9XYTSvDGS4bsCvJG207_R9ArK8ENq3pgRo8gTzMb1yG7doRTo1KmZd8vC.LyLlPNoag1Sj4yGlFBWFCI0uMAMFZHZ4d0HKwofUTqHuskETp1M8mqUx3g8vQyHlK_Yr.BRr_DidpBvFajOC2y0ft.j.Fqk.4l2WqnOVkRoNhiwsrFEZJMxIP.88wvo78b835no10j.nLN0hcyHC0Mn0r0KT3RqnAFIMsGfyUcymjpe9oXQ1gvwxcnKiZL4wm1N3LwSVxjJbacZ5W7xGW7stTQ6HpwzMx3DAGxxAlcy53YcBHTXYK5CuKSSxEhq.CCAwApiR6tV.1QyZZVchLYu2zJkUcamjXskMwEd8VXO.D18p.t9BMFc9tf3fbFWKa3Yxrj.DZyA5UWlKHF52HFsnmUkLgLyJK1tTIPbYpkgB.2mUFdoV28ZU_9AztGx20XLwCfTC4fXB57kpQuL0Hu.WToQDkOAF5cY7BMFVvuo3LLpZoBgZdCKCt8_Iok8L4Arm3zKfT170GaXU24EFP9_TVLkHu1Jcu5QDe7HIqrpexWwusduwqpo.USDEVJBxf.zfCNRkhcyig9OB2rHqsFt4X0rndaf6AdfVBnj7NYPx8ZWGVAu3Rb2iRlGhhOJ.gPxUgW8ZpzT_cnBTDN6U1Z767hdu5oZMBb_zmwE1.krkfHpEtAkdoHU0ZHFDI2i07tl3ohEHwYkAX7Jx2IpxRxUngafcCDsEANcLZvr60pFiBcj0S.ZNOdd6loeICgm.DOtkZFNCnjB0wzM9Ww4ZnV_P9PVUCiaZKp0GfAp2wj9dHbJob2Q",mdrd: "z7XXxRETLnPkrz9BGyV0kTWGH6EOvRJezYD0a4QXajM-1743092202-1.2.1.1-XJhN8xYF1s0YJIBCKBdpiLrvAHj8es8ww4qKdmXkIN2bx.8ASdSzClj2I.pDM8uVdE0ZjyvA8O.ZfPQdTG_wKyz8IkHHO867fZEnUBg_3cC4Na7kM.neFOOD.QukuJUebxsUoTsjwsphNdYnv7Y.VQwZLbt02EIYqmgnY.7bJ_17fWKtdGBei.BW__Kq_3azd1oXptQikV4dl6CbWIg6weOQVVdVXKDtp2uMYgpLcndPlsM7Pspr79n8cPhw282UHkjSwD9QdutJ7RcQhO9Hr2fdtsyQdh61VUL0C.OCUJV.Du8eZBZyFKHvuovx660lYRHTJHWH3EJDHIFqVzv83B2RUKx0MSvOFAjjAjMe7gEP9iBl_zafp5SnfgAbsun4RM7xnP9gqrD4iHDVq1cQ2hFMmOq6UWsSWjTMll6D9TNLIcBdWm7BphmwuCRbJA_43Q7DZVCE.NCmlbiHKqX5yBUt6T41AwijRkvy0MdNhUimgteZyBvGiKV09Y1N9LE6JuGdFmAfCYpoANcxRBmD5XuapGNLePmyQbjxHT2Y9811bSFGC9BOfdYNcautCOYFH8.WCuvdTPJ7DsU6kqxEpBbv7vCmKnHgTmDoCqJltO7VZoZF7jw.t0t9XBBz6K7WHgOWd1N1GFROeJhKU3Itv5qKOPvjneOtfQYbSyfhPX0LqSyQzHsFIhh4fg48f7OwcHHm9u3KiJtH3gzWJ3GVXZ_M0iMWNiomE3uG0ZpihskAFMTAPjUwjSODwN194dncP75q4rXXatJdwHz4.NBCrpzad1QkkJ_HyRjd007lv0K2oGenqgvMzmbUtZa.wbrvUpi9rrd0MKHm0lfhLE7Rl8WJUHZQ0KLpxlDCYn002j6ajgOuzSXiKD4NcR0t4H9OA_F3rl9nYjWWCTAVGopKfM8g.O68m7JyWwPgqBN56QXJxarvNbIto7P5QmMvcEuoFwY4RaLgDfEOArxIgcqzAQY27G9JA9Kz8M57eLJbgJMw9DK4qxc7u4HCNaRYgmHootH6s._AdzN8S84MuWYILLDTbbKy6977K635Z9m_wkXZ7H8TCjz13VfH9OGVc_q7qbyhXitBad_YXLho6IrpA.Uupa_qvn59YyC1UQlD3wAefjqAZz7Gpir5YAIyCA8DC0CsYtM2nyW3oTdYWuPvk8ac84JXmupNeHFcflkQICU2uU6SoIq68OnDrHiqw7Tbp9lQX1PG4hCz7oLrns6qptIxBqe2GN6RDh0SXocsIECTwRV2ILH7gOvda4mu4rLcEiXcsJPCMHJZ.AWs1BBrDjSiZ9vNXcfMh0Gk5YgCww_k8pVn0dboUg_eaD5chbHe7mMvD55rKPejZFL5kTE9CzTi9L_CTdE7xZXoFeoF05yoh8fJsKuQUTovK2pRz1AC2UOtY6b5f4BCDmZkvMbhJ5wAhDyvnI.u0GLGJH6nenDDbPC308CeQ6jlIIREl2xnALLLMSN.5v2WK6ij0czZzmiV14WQbOXPkrTFjrCbHqezH95LVR558e7_c3TIE_esFn2LMq7nLHQ2WUSfG59Uc84wKscqD8MXtAknlwo_E9yh_s0vvvVf5sbC4fx1Zq2XNBCq8M4b8fHB_lZDINz69WKqruji3SSx56Jnzlm9Rc4T96LHZP4BRCYXQNTwUcODld_.JCg80uXvoGva0Blei9u663aWHLG7jYBv.ftCK5ne.ytLM9VofWJwQUHAPHxtsCYr49FHH5vWPa8zktxr5iKbkLqQRfFaki_7JiaRK0fN4nqg7WLtYnZUKEuiduv6jp5C.2negQADopGeeR2nEKk6e52laUp3.GeJixToM76vvOujF4GK34KHchps6JveuH3GZphGMufqJOzqoSS7xazNGTbF0EQLyG0JiEOGB76YslICeYeR.2pgBLOfNORK1yaZuARt8lRQIsGGKAYpu9alKPUj5.QyCBz3lZW__8BJNwAbJLU_CoYcsiB8kCYHqmgEn.u2VeY05B3uSjjT.4QWpi0dLkP0a7GB7TORwN_fcnRPiaoeryGFAick9wAv"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=927031996e45fdff';window._cf_chl_opt.cOgUHash = location.hash === '' && location.href.indexOf('#') !== -1 ? '#' : location.hash;window._cf_chl_opt.cOgUQuery = location.search === '' && location.href.slice(0, location.href.length - window._cf_chl_opt.cOgUHash.length).indexOf('?') !== -1 ? '?' : location.search;if (window.history && window.history.replaceState) {var ogU = location.pathname + window._cf_chl_opt.cOgUQuery + window._cf_chl_opt.cOgUHash;history.replaceState(null, null, "\/db\/china\/sac.htm?__cf_chl_rt_tk=8aqHc0NZYn8b4qYmHv1aZgQRZkBGOMiLi5vJxu8tqUU-1743092202-1.0.1.1-QlOsAbcagniSv3GfKSQeCkyo1fRt0eG8w4DRrt5KW.0" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>