Lifting blackboard | Shaoguan blackboard | radius blackboard 100% warranty

 Teaching blackboard parameters: board - quality teaching metal plate surface (the other board can also be customized) board thickness of 0.2mm - 0.4mm, board formation, no ripples, strong smooth deformation. Border - with high-grade matte color electrophoresis champagne or bronze aluminum industry (other optional), high-grade electrophoresis champagne or bronze matte color industrial aluminum, plastic corner ABS plastic using an injection of anti-fatigue, reliable connection securely seams flat. Backplane - using high-quality galvanized steel curved board thickness of 0.2mm. Board formation, coating firm, Zn Z12, technical requirements are not lower than the national standard GB2518-88. Smooth and well-balanced core material - made of high-density foam (density 18), the surface layer of smooth, firm, smooth and well-proportioned, the entire board without stitching, high temperature resistance, prolonged sun exposure, water, afraid of the tide. Or the use of AB kraft corrugated board, firm formation never deformation. Metal blackboard teaching focus has several components: 1, board 2 matt mesh density of 1200, anti-scratch hardness 580T 3, domestic board within a year of not more than one-thousandth of a large refractive index reflective blackboard, within not more than five thousand thirds clean the blackboard, the useful life of about 10 years. 4, import plate reflective index of refraction within a year of not more than 0.5 per thousand, not more than one-thousandth of five years, effective use of about 20 years. 5, the center of high-strength polystyrene sandwich panels, resistant to moisture, high temperature, never deformation. 6, strong positioning glue for chemical research institutions to develop new products. Formaldehyde, benzene-free environment, and never open plastic. 7, aluminum frame, beautiful shape, wrap angle for ABS molding. Lifting blackboard | Shaoguan blackboard | radius blackboard 100% warranty provided by Flyover District of Jinan City area blackboard teaching aids plant. Flyover District of Jinan City area blackboard teaching aids plant (www.heibanchang.com) strong, credible, in Jinan, Shandong blackboard industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead the radius of the blackboard and you hand in hand into the brilliant, for a better future!