Controllable Design: The grouting machine is equipped with a variable frequency dual-frequency pulse adjustable height and a low-frequency vibration force enhancement design, allowing the operator to control the discharge efficiency and flow pressure as needed. Large-capacity hopper, easy to load and operate, can quickly improve work efficiency. Flat Mouth: Funnel mouth size: 21*20.3cm. The mortar grouting machine comes with 4 nozzles that match the air compressor you are working with, which is very helpful for traditional plastering. Effort-saving bearing design: The effort-saving rear bearing design and metal handle design make the cement grouting machine fit your hands perfectly, giving you a more comfortable user experience. Flexible and efficient: Electric grouting tools with fully automatic electric design are more convenient to use, flexible and efficient, and easy to operate. Electric caulking machines can replace manual caulking construction, doubling work efficiency. Wide