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r22 ���� 28333.33 28666.67 1.18%
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���� ���� 2317.00 2331.00 0.60%
�״� ���� 2500.00 2515.00 0.60%
�ҷ��� ���� 4640.00 4660.00 0.43%
r134a ���� 30933.33 31000.00 0.22%
�� ũ�� 4820.00 4820.00 0.00%
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ճ������ ��֯ 13500.00 13500.00 0.00%
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pp(��˿) ���� 7857.14 7828.57 -0.36%
pta ��֯ 5850.00 5824.44 -0.44%
pvc ���� 5464.00 5432.00 -0.59%
lldpe ���� 8408.57 8335.71 -0.87%
ͭ ��ɫ 74161.67 73450.00 -0.96%
wtiԭ�� ��դ 77.16 76.31 -1.10%
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����ϩ ���� 12900.00 12662.50 -1.84%
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