Blackboard blackboard manufacturers Baise Baise Baise hanging blackboard wholesale prices

Blackboard blackboard manufacturers Baise Baise Baise hanging blackboard wholesale prices blackboard teaching Details: 1, teaching blackboard material: galvanized steel imports, domestic paint spraying, high temperature curing is made, the bare board thickness of 0.3mm or more. 2, teaching blackboard board color: dark green, white optional. Block board consistent tone. 3, blackboard writing: the use of calcium carbonate chalk or plaster, you should feel smooth, full, uniform handwriting, clear handwriting. 4, easy to clean the blackboard: the velvet brush with a dry rub back and forth twice, leaving no residual handwriting, chalk easy to fall. 5, hardness: ordinary chalk washboard surface without dents. Design features: a unique connection gray groove embedded design, triangle orientation fixed, more solid and reliable, long time with no loose aluminum frame front wide 4cm, whole body rounded lines electrophoresis champagne aluminum alloy frame and dark green board with environmental protection , harmony and unity, exquisite performance description: reliable, durable and smooth writing, writing clear, do not slip easily wipe dust significantly reduced non-reflective, to protect the eyesight of students moisture, non-slip, not deformed online QQ: 1806581464 Hotline: 13211304726 Contact People: pak