注:“●”的產品按GB12792-1991標準生產。 “*”的產品按Q/320282DCE037-2003標準生產。 其余產品按MT818-1999標準生產。 Note: “●”indicates that the product is manufactured according to the standard of GB12972-1991
“*”indicates that the product is manufactured according to the standard of Q/320282DCE037-2003.
The rest product is manufactured according to the standard of MT818-1999.