1.specifications: 1800*700*800㎜
2. the whole use of4  steel-spraying material, the main pipe specification is φ 25mm, wall thickness is not less than 1.5mm,
3. All parts of the overall welding process shall not appear welding leakage phenomenon, no trachoma and bubbles, and the surface shall be polished.
4. seat surface is artificial leather, filling material is high density sponge, density 38.