project Technical Parameters Overall dimensions (length, width, height) (mm) 135015001000 Supporting power (Kw) ≥14.7 Rows 3 lines Line spacing (mm) 500~620 Work efficiency (hm2/h) 0.2~0.3 Ce/Fda Certification Kn95 Face Mask Kid Non-Woven Fabrics Mask,Protective 4-Layer KN95 Face Mask,,Ce/Fda Certification Kn95 Face Mask Dongguan Keyutai Mask Co., Ltd. , https://www.maskkytai.com