China (Mainland) Spirit Level Vials, Circular Level Bubble

Specifications: My factory is an enterprise that specializes in producing glass vial The products manufactured by my factory are classified into two catergories of the Plate vial and circular vial and dozens of types. The plate vial varies from 10〃(10senconds)to 30ˇ(30minutes). The circular vial varies from 4ˇ(4minutes)to 60ˇ(60minutes). We Also produces PC plastic series vials. Aclylic. Vial. The products Made by my factory are much cheaper than the same products produced in the USA