低压聚乙烯6100M HDPE
LDPE LD100AC高压聚乙烯
1C7AS LDPE低密度聚乙烯
LDPE LD605聚乙烯
LDPE LD607(M187)聚乙烯
LDPE 1I60A聚乙烯
LDPE LD608燕山聚乙烯
LDPE 1I2A-1低密度聚乙烯
LDPE 1C7A燕山聚乙烯