... not easy to leak because the mixed bacteria infection. This tying machine is delicate, simple operation, the use of simple, ... tremella and so on fungi varieties of tying homework, automatic feed nail, high efficiency, and tying good air-tightness, suitable for cultivation ... .4. Convenience and fast, automatic feed nail, than manual tying improve efficiency 8 ~ 10 times, tying good air-tightness.5.Safe ...