糖心免费视频,糖心APP官网进入,糖心APP污视频,成人糖心VLOG视频

1、 Scope of products applicable for corrosion protection level testing certification:

The anti-corrosion level test certification is applicable to anti-corrosion electrical and electronic products used indoors and outdoors, including household and similar appliances, road electrical equipment, elevator electrical components, electromechanical equipment, lighting appliances, electronic information and multimedia equipment, and other products.

2、 Based on standards:

3、 Classification of corrosion protection level: outdoor level 3, indoor level 2

Service hotline: 18924609560 (same WeChat account)