QINGLONG QL-BZDJK-ⅠSemi-auto Marking Unit with interface is mainly developed for those customers who have a certain amount of products to be marked well, and hope to upgrade the manual series equipment. It is compose of pneumatic device, marking head, special clamping unit, marking water supply system and foot switch. The marking time is controlled by how long you keep the pedal moving. QINGLONG QLBZDJK-ⅠSemi-auto Marking Unit with interface can be connected with any model of QINGLONG markers. The two connected units can be used as the semi-auto marking system. The patterns made by the marking system are clear and stable. The system is reliable, simple and efficient. It also has the advantages of less water consumption and low worn stencil. Since the marking water is supplied by the automatic marking water supply system, the marking water consumption for each marking is even so that more marking water will be saved and more stable marking will be done. Besides the manual marking, the best option is marking with semi-automatic marking system and marking automatic marking water supply system. This system improves working efficiency, decreases the labor intensity and brings the enterprise with stronger capacity in the market competition in the field of brand.