1. ukuthunyelwa kwama-Chinese kwezithasiselo zenjoloba e-United States kanye nomthelela ongaba khona wentela
1.1 I-Agent-Agent TMQ Ejeki Elengisweni e-United States
I-China ingumthumeli omkhulu wama-auxilies enjoloba, ikakhulukazi inani le-accelerators kanye nama-anti-agung agents ekuthekelweni kwamatheyimitha angaphezulu kwama-agent angama-50% 2,2, {4- trimethyl -1 i-dihydroquinoline (TMQ) Oligomer .
Njengamanje, eJapan, e-United States, eSouth Korea, eThailand, i-Indonesia ngamazwe athekelisa athekelisa ama-TMQ . e-United States kwakungu-2417 .. Okwesihlanu . Ngo-2018, i-ejenti ye-anti-agent tmq yathunyelwa e-United States ibekwe kwesibili ngo-5898 . amathani angu-9. Ekota yokuqala ka-2019, i-TMQ, i-ejenti elwa nokuguga ithumele e-United States, ibekwe kuqala ngamathani we-1997,5.
Kusukela ngoMashi 2018, ivolumu yokuthekelisa ye-agent-agent TMQ ikhombise umkhuba wokunyuka okukhulu, okuzohlala kuze kube yilapho ikota yokuqala ye- 2019. ngasekupheleni kukaMashi 2018, i-United States yamemezela ukuthi i-China esuselwa ku- "301 uphenyo" .
Ngamanye amagama, ngoba i-US yamemezela amanani entela aseShayina, ukuthekelisa kwasekhaya kwe-agent-agent TMQ kukhuphuke, kepha inani eliphelele le-TMQ Excenders e-United States lisezingeni eliphelele lama-ejensi alwa nokuguga athunyelwa e-United States .
1.2 umthelela we-anti-agent tmq e-US Exports
Kusukela ngonyaka ka-2014 kuya ku-2018, ingxenye yokuthumela ngaphandle kwama-ejenti e-United States e-agent anti yokulwa nokuguga e-United States ingu-25400 amathani, accounting for 10 {. 8%.
Le volume engenhla eshiwo nge-TMQ yokulwa nokuguga e-United States ngonyaka ka-23 . 2 Ngamanye amagama, yize ukuthekelisa kwe-ejenti ye-ejenti yokulwa nokuguga kukhuphuke kakhulu, kusakubiza ngengxenye ephansi ngenani eliphelele le-ejenti yokulwa nokuguga futhi inomthelela omncane ekuthutheni kwe-ejenti yokulwa nokuguga.