... at these reactions : friedel crafts reaction, Grignard reaction, halogenating reaction, oxidizing reaction, cyclization, acylation, condensation reaction, nitration, sulfonation reaction, catalytic hydrogenation reduction and chemical ... 1-20L rotary steamers, electrothermal constant-temperature dry box, -40-0 low temperature reaction kettle, 1-20L high pressure reaction kettle and 1-20L double- ...