1. Chinafo a wɔde rɔba a wɔde ka nneɛma ho kɔ amannɔne kɔ United States ne nkɛntɛnso a ebetumi aba wɔ tow a wɔbɔ ho .
1.1 Nneɛma a ɛko tia onyin TMQ a wɔde kɔ United States .
China yɛ ade titiriw a ɛde rɔba aboafo kɔ amannɔne, titiriw no, nneɛma a ɛma nneɛma kɔ ntɛmntɛm ne nea ɛko tia onyin no fã a ɛwɔ nneɛma a wɔde kɔ amannɔne no mu no boro 50%. wɔ tow afoforo a United States de tia China no din mu no, rɔba a wɔde ka 2,2,4-Trimethyl-1,2-Dihydroquinoline (TMQ) Oligomer.
Mprempren, Japan, United States, South Korea, Thailand, Indonesia ne aman a wɔde nnuru a ekum onyin kɔ amannɔne a ɛsen biara TMQ{1}} wɔ nnansa yi mfe mu no, United States ama ne kyɛfa a wɔde kɔ amannɔne. no akɔ soro wɔ 2017 mu no, TMQ a wɔde ko tia onyin a wɔde kɔ amannɔne no akɔ United States a wɔde kɔ amannɔne no yɛ Wɔde kɔɔ United States a ɛto so abien wɔ 5898.9 tɔn mu. Wɔ afe 2019 bosome mmiɛnsa a ɛdi kan no mu no, TMQ, a ɛyɛ aduru a ɛko tia onyin a wɔde kɔ United States no dii kan wɔ 1997.5 tɔn mu.
Efi March 2018 no, TMQ a ɛko tia onyin no dodow a wɔde kɔ amannɔne no ada no adi sɛ ɛkɔ soro kɛse, a ɛbɛkɔ so akosi sɛ 2019. no fã a edi kan wɔ March 2018 awiei no, United States de tow kɛse a wɔbɔ wɔ nneɛma a wɔde fi China ba ho no too gua a egyina "301 nhwehwɛmu".
Ɔkwan foforo so no, efi bere a U.S. de too gua sɛ tow a wɔbɔ wɔ Chinafo nneɛma a wɔde ba amannɔne ho no, TMQ a ɛko tia onyin ho nneɛma a wɔde kɔ amannɔne no akɔ soro, nanso ɛnyɛ afe a atwam ni. nanso, TMQ a wɔde kɔ United States no bo a edi mũ no da so ara sua koraa bere a wɔde toto nnipa a wɔko tia onyin a wɔde wɔn kɔ United States no nyinaa ho no ho.
1.2 Nkɛntɛnso a TMQ a ɛko tia onyin nya wɔ U.S. nneɛma a wɔde kɔ amannɔne so .
Efi 2014 kosi 2018, kyɛfa a wɔde kɔ amannɔne a ɛko tia agents kɔ United States wɔ nyinaa export volume anti-aging agents so atew. wɔn mu, nyinaa export volume dodow a anti-aging agent wɔ 2018 yɛ 234500 ton, ne total export volume of anti-aging agent IS 8000000, 2500000.
atifi hɔ a yɛaka ho asɛm sɛ wɔde anti-aging TMQ kɔ United States wɔ afe 2018 mu no yɛ 23.2% na 2.5% pɛ wɔ export volume a ɛwɔ anti-aging agent nyinaa mu kɔ United States. Ɔkwan foforo so no, ɛwom sɛ TMQ a ɛko tia onyin a wɔde kɔ United States no akɔ soro kɛse de, nanso ɛda so ara yɛ nea ɛba fam wɔ nnuru a ekum onyin nyinaa mu na ɛwɔ nkɛntɛnso ketewaa bi wɔ nnuru a ekum onyin nyinaa a wɔde kɔ amannɔne no so.