Huaou test tubes are made of Boro 3.3 glass or soda glass, we can provide you the kind you want.We have two kinds of clear glass test tube, one with rim ans another without, this one is the one without rim. This two kinds share the same price.
HUAOU Industry Group was founded in 1967.
We have a history of nearly 50 years.
We are a professional laboratory glassware manufacture.
We have passed ISO9001 authentication.
We have more than 30 R&D staff,150 technicians,and 15 salesman.
We constantly develop new product and provide reliable products for our customers.
We can also provide customization and OEM service.