... mining lamp is suitable to coal mine well with explosive gas containing methane. Introduction1,The product with light source of high ... -corrosion,maintance free,use- cost low ;2,The product is portable, composed of head light,cable ,storage battery. there are two ... , KL Type Mining Lamp: MT927-20043,KL4LM Type Mining Lamp:Q/DG.018-2007 Certificates1,Production Approval2, Explosion-proof Certificate of ...