ISTE successfully developed the world's first pulp molding ring trimmer，according to different trimming requirements of packing boxes， high-end cosmetic paper tray, paper box, alcohol and tobacco pulp molding packaging boxes, other new various pulp molding gift boxes of the 3C products. We continuous research and optimize, iteration and upgrade according to the feedback from existing customers, developed A, B, C three series of multiple models, and obtained a number of patents. The processing speed of the ring trimmer is super fast, and the finished box body is unbelievable smooth, without burrs, steps, ripplings, and burnt smell. We self-developed ISTE graphics import system, which with strong versatility and easy to operate. For the import of new products, compared with the rocking microtome, it has shorter product proofing cycle, lower cost, and the cost of using consumables is negligible.