... impact resistance, extreme temperatures endurance, shocks absorption, all sealed waterproof, dustproof and corrosion resistance. Rotationally moulded, reinforced corner ... equipments, fragile products, medicine , ect ,to put in the box. 4. We have large , medium ,small cases, and ... . And we could make any box based on the customer requirments. stainless handle ,waterproof, anti-high and low temperature ...