pa6/m-2271nat(图)
ppo 基础塑料 wcd801a
fep 大金 np-120
pa6/66美国杜邦72g33w nc010
abs基础塑料as004as-1004
pc/abs 上海科思创拜耳 t65xf
poe泰国陶氏8200
ms电气化学tx-100s
pa6/m-2271nat(图)
gpps盛禧奥斯泰隆ps121
pa66惠州南亚6210g3 fnc1
hdpe中石油独山子dmda-8920
tpee新光dh4000
pa6/m-2271nat(图)
pp美国埃克森美孚pp1055e2
pa66星一ngf 2150sp
p化k1011
pp北欧化工hoe111np
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