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Metal level vial, also called metal bubble level vial and bull eye level vial, is made of aluminum alloy, copper or stainless steel case, glass or acrylic cover and alcohol medium. The metal bubble ... Plastic bubble level vial, made of acrylic and alcohol, can be divided into circular level vial and tubular level vial. The acrylic is strong enough to avoid breaking in transportation and using. The ... Glass tubular bubble level vials are also called glass tubular level vials, which are widely used in various kinds of levels or instruments to see whether a surface is horizontal or vertical. There ... Glass circular bubble level vial consists of well grinding glass sheet and glass bottom, which are connected by the way of splicing or sintering. We have researched new technology to prevent the ...
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