mankhwala

Zingwe Zonyowa Zodulidwa

1.Yogwirizana ndi polyester yosakanizidwa, epoxy, ndi phenolic resins.
2.Kugwiritsidwa ntchito munjira yobalalitsira madzi kuti apange mphasa yonyowa.
3.Mainly ntchito gypsum makampani, minofu mphasa.

kufunsa zambiri