Henan Liying Environmental Science and Technology Co., Ltd., founded in 2014, headquartered in Minquan county, Henan province. It is a professional eco-friendly enterprise specializing in R&D of medical waste harmless treatment technology, equipment manufacture, investment and operation of central treatment centers for medical waste.
Graphite electrode mainly petroleum coke, needle coke as raw material, coal pitch as binder, calcination, ingredients, kneading,molding, baking and graphitization, machining and made, which is rel...
The product is designed for laboratory work, suitable for laboratory freezing and preservation of samples, frequent access to samples, moderate size for convenient laboratory storage, beautiful appearance, a variety of volumes to choose from.
This product adopts a special synthesis process. The product does not contain metal ions such as potassium and sodium, and has low volatile matter and extremely low residual mixed ring volume (D3~D10), thus ensuring excellent electrical properties...
We usually buy Dewar bottles to preserve samples that need to be frozen in liquid nitrogen, such as biological organs, animal sperm, blood samples, tissues, vaccines, viruses, etc. You may wonder, can such a tank really store liquid nitrogen at -1...