... . The system's sealing is very good, high vacuum, high evaporation rate, high return rate;8. The glass instrument adopting GG ... control and reliable electronic speed control, to ensure that the electrical properties. Also, we have 2L, 3L, 5L, 10L, ... future cooperation. Once cooperation, forever friendship. Welcom to contact with Taikang High quality laboratory instrument RE-2000A Rotary Evaporator