Our opc drum are known for their durability, high yield and excellent print quality, we have our own production lines. Kyocera TASKalfa 5053ci, Mfc7860dw Drum , Versant 180 , Hp Officejet Pro 8100 Ink ,Mp C4504 . 4. Expert team - Our expert team is always on call to provide personalized technical support and assistance when you need it. The product will supply to all over the world, such as Europe, America, Australia,Borussia Dortmund, Malaysia,Eindhoven, Yemen.In addition to our commitment to quality and customer satisfaction, we are committed to doing our part in protecting the environment. We know office supplies can have a significant impact on the environment, which is why we've taken steps to reduce our environmental footprint. For example, the drum unit, some we use recycled materials in our products wherever possible, and we have implemented a waste reduction program to minimize our ecological impact.