By incorporating with various feeding equipment, the retainer can perform coated and scattered dispension, which solves the problems from frequent syringe replacement and glue leakage. The design of special plunger and structure has the advantages of adjusting dispensing speed and resistance to high pressure, which is applicable for operation procedure with colloid of medium-high concentration and high dispensing amount. The body is treated with anode-cured aluminum alloy, which has advantages of small volume, light weight, robustness and durable from washing. Users can carry out operation, maintenance and service with ease.
