The Gongdong Petri dish series are made of imported polystyrene with high quality as raw material. Its smoothness and transparent finish fully achieve the International standard of similar product. It is produced Class 100,000 cleanroom plant where there is no heat source and sterilized by ethylene oxide. Adopt the internationally popular easy tear package, which is simple and convenient and reduce the pollution opportunities in the use of products. Each batch of products is evaluated by growth status observation, test of cell growth rate, test of cell adherence strength, pyrogenicity test and sterility test to ensure product quality In comparison with similar quality products in the world. The Gongdong petri dish series is suitable for cell, bacteria culture and drug sensitivity test.