... It must have water condensation, water-proof and dust-proof, anti-insect and rodent infestation, and strong resistance to impact damage characteristics. ... bad. Therefore, the outside box of waterproof, moisture-proof, dust-proof, anti-collision damage, anti-rodent pests, such ... reinforced materials (SMC), in the waterproof, moisture-proof, anti-collision damage have better performance. KRONE internal ...