a4/a5 size customized white kraft paper envelope&emvelope&paper
item typical analysis appearance white crystal kh2po4,% 99
fish, frozen seafood, ribbon, sardine, black /white pomphlet
醋酸铵 乙酸铵
white powder sodium dodecyl benzene sulfonate
a4/a5 size customized white kraft paper envelope&emvelope&paper
item typical analysis appearance white crystal kh2po4,% 99
fish, frozen seafood, ribbon, sardine, black /white pomphlet
醋酸铵 乙酸铵
white powder sodium dodecyl benzene sulfonate