TOPTION is professional lab solution provider,we are devoted to providing customers with the best solutions and products make research more accurate efficient. Our instruments widely applied in biology, chemistry, pharmaceuticalenvironment analysis, ...

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Zhengzhou Longda Machinery Equipment Co, Ltd. is specialized in research, design and manufacture a wide range of tech savvy rotary dryers like drum dryer, sand lignite slag coal slime micro power fly ash dryer,the three-cylinder cooler, burner etc.The main ...

Zhengzhou Kehua Industrial Equipment Co., Ltd is a professional manufacturer engaged in dryer industry. Established 1970s, we have accumulated rich experience technical problems and entered world market. We mainly produce various dryers to dry coal, ...

Founded in 2003, Zhengzhou Dingli is a enterprise with 200 employees committed to enhancing client productively, profitability and safety. has developed more than patented products for producing electrical energy from common organic materials. At all ...

Our company specialized in designing and producing kinds of jacketed glass reactors, single layer reactors rotary evaporators , the reactor we can produce is maximum 200L capacity, capacity be evaporator 50L With development our pleasant communication ...

TOPTION Instrument Co.,Ltd. We are a leading supplier about glass reactor,chemical reactor, spray dryer, nutsche filter,Rotary Evaporator,rectification system,Freeze Dryer.etc. we have achieved ISO 9001:2008 and CE certificate, Our brand ...