Our products have successfully passed the SGS test and our patent right,Features:1) Made of armor plate2) Surface: polyester powder coating3) Size (cm): a) 40 x 40 b) 45 x 45 c) 50 x 40 d) 50 x 45 e) 50 x 50 f) 50 x 554) Suitable for (BTU): a) 7,000 - 13,000 b) 7,000 - 15,000 c) 7,000 - 13,000 d) 7,000 - 18,000 e) 15,000 - 20,000 f) 20,000 - 24,0005) Loading (kg): a) 150 b) 150 c) 150 d) 150 e, f) 180Packing:Wooden box producing area:China payment:T/T supplying capacity:6,400 sets/day