Ka Hlakola, 2019 USTR e ile ea lokolla lethathamo la mekhelo ho tsoa karolong ea hajoale ea litefiso tsa 301 tse kentsoeng tšebetsong ho lihlahisoa tse tsoang kantle ho naha ho tsoa China.Li-PCB tse Kenyellelitsoeng lethathamong leo ke 2-layer le 4-layer tse ling.Tokollo ena e felile ka khitla ka la 1 Pherekhong, 2021. Ka la 23 Hlakubele 2022, ho ile ha phatlalatsoa hore mekhelo ena e khutlisitsoe.Ho latela tsebiso ea USTR, mekhelo ena e thathamisitsoe e le:

• Liboto tsa potoloho tse hatisitsoeng, e 'ngoe le e' ngoe e na le motheo oa polasetiki e kentsoeng ka khalase, e sa tenyetseheng, e nang le likarolo tse 4 tsa koporo (e hlalositsoe ho nomoro ea tlaleho ea lipalo-palo 8534.00.0020)
• Liboto tsa potoloho tse hatisitsoeng, e 'ngoe le e' ngoe e na le motheo oa polasetiki e kentsoeng ka khalase, e sa tenyetseheng, e nang le likarolo tse 2 tsa koporo (e hlalositsoe ho nomoro ea tlaleho ea lipalo-palo 8534.00.0040)

Sena se bolela hore li-PCB tsa 2- le 4-layer tse tsoang Chaena tse nang le kapa tse tla hlakola meetlo ka mor'a la 23 Hlakubele 2022 li ke ke tsa lefisoa ho fihlela tsebiso e ngoe.

Kenyelletso e tla qala ka la 12 Mphalane 2021 ntle le haeba e se e felisitsoe.Haeba k'hamphani ea hau e rekile li-PCB ka kotloloho ho tsoa China, u ka ba le tokelo ea ho khutlisoa.