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The Petri dish is one kind tool use for microorganism or cell culture, from the material, usual have two kind, made of class and made of plastic.

The class kind usually use in plant material, microorganism and cell culture. The plastic kind mainly use PE material which mainly for one time use for laboratory inoculation, lineation and separation of bacteria.

The size of the dish in international have two way to account, one according the cap of the dish, one according the bottom of the dish.

It need be clear and sterilize before use, because the clear or not is very important of the dish during the laboratory. So usually use hot water and hydrochloric acid to sterilize, then get high pressure operate.

Now to produce the Petri dish machiine  with automatic flow line, which include automatic loading, automatic filling, automatic capping, packaging. We Guangzhou Maizhi medical automation equipment after years search and improved, now be professional with this kind equipment.

Hope can be cooperate with you in the near future.