长期销售美国杜邦PBT

　　SK601,SK602,SK603,SK605,SK608,

　　SK609,SK641FR,SK642FR,SK643FR,

　　SK645FR,SK645FRC,SK652FR,SK652FR1,

　　SK655FR1,SK662FR,SK665FR,

　　SK692FR,SK695FR,SO653,SO655,ST820,

　　ST830FR,ST830FRUV,T803,T805

　　T835FRUV,T841FR,T842FRX,T843FR,

　　T845FR,T850FR,S600F10,S600F20,

　　S600F40,S620F20,S650FR,S660FR,

　　S680FR,LW617,LW685FR,LW9020

　　LW9020FR,LW9030,LW9030FR,LW9130,

　　LW9320,LW9330,H296,HR5330HF,

　　HTI619,HTI668FR,CE1075,CE15015,

　　CE15030,CE15315,CE2402,CE2801,

　　CE7931,6129,6129C,6130,6130C,6131,6131C