1. Kindergarten desks and chairs: 340mm*300mm*53mm, 260mm*2 10mm*240.

2. Pupils' desks and chairs: 600mm×450mm×(750-660)mm? ，345mm×240mm×(455-395)mm？ .

3. Middle school students' desks and chairs: 600mm×450mm×(780-690)mm, 345mm×240mm×(455-? 395)mm？ .

Extended data

According to the requirements of quality and size, the processing process of sawing finished products and various artificial boards into wool of various specifications is called batching. It is the main part in the production of wood products. The quality of ingredients not only directly affects the quality of products, but also affects the utilization rate of materials and the speed of processing and production.

Raw materials are unprocessed polyethylene or polypropylene. There should be no burrs and sharp edges and corners on the inner and outer surfaces of the product and where children's fingers can reach.

Tables and chairs should be balanced on the ground, and the maximum deviation should not exceed 2mm. The requirements specified in Q 1095 shall be met.

After the strength and durability test of tables and chairs, the joints are not allowed to loosen. Parts are not allowed to be split.

The stability test results of tables and chairs do not need to be overturned.

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