Dear Sir/Madam, This is ZeinabHafidi from IT. I'm looking for products with the following specifications: school bell please send us your company best selling price for this product and also confirm by sending us your company catalog and for the Usage : Fire , Usage : Door , Usage : Smoke ,window . Send us videos and pictures for this product and confirm this product is of high quality grade and confirm your best delivery duration and provide your company address and mobile telephone number also to start a good relationship we require a nice price . Kindly send this required info only directly to my **** ofice.a3safe(@)**** . Also please ensure you send prices to my **** Best Regard, Zeinab Hafidi Area Sales Manager ofice.a3safe(@)**** Show More