POE塑胶原料(1)POE美国杜邦7256.7270.7340.7467.8150.8200(2)POE美国杜邦8401.8402.8480.8999(3)POE美国陶氏8999,8150,5501(4)POE美国埃克森5061(5)POE新加坡三井DF710.DF740)