欧美国产在线一区精品自拍_精品综合久久久久国产日韩_国产 在线 一区二区三区_中文字幕乱码人妻无码久久久1_日韩中文字幕东京热_色欲欧美一级做性受_亚洲精品国产不卡在线观看_成人精品一区二区在线观看_老司机深夜免费福利_小13箩莉黄瓜自慰喷白浆

The reason why the dropper cannot be rinsed with water is that each rotary cap dropper bottle is equipped with a dropper, and the dropper cannot be mixed (you should be aware of this). Mixing it will contaminate other reagents, and the reason why the drop...

The rotary cap drip bottle is mainly made of low-density polyethylene as the main raw material, and the cap is mainly made of polystyrene. Composed of bottle body, cap, and drip head. The bottle body comes in four colors: transparent, white, brown, and bl...

Type of test tube: A flat mouthed test tube is a round bottomed flat mouthed glass tube with a melted mouth. Flat mouth, easy to kill the pipe mouth....

Test tubes are important laboratory vessels that play an irreplaceable role in holding and heating reagents. Test tubes, along with beakers, are considered synonymous with experiments. Therefore, the test tube box (test tube rack) for placing test tubes s...

A test tube is a container used to hold a small amount of medicine, perform a small amount of reagent reaction at room temperature or under heating, and can be used to produce or collect small amounts of gas. Due to the fact that test tubes, like beakers,...

Medical detection cards are mainly used for chromatographic colorimetric quantitative detection of biochemical indicators in body fluids. Our company adopts technology and equipment for mass production, which further improves product performance on the or...

Plastic droppers are made of materials such as PE and PET, and are a type of experimental consumable in industries such as laboratories, food research, and pharmaceuticals. It has the advantages of low cost and simple use....

Diagnostic reagent bottles are currently a widely used type of reagent bottle, mainly made of plastic and using injection molding technology. They have many specifications, such as 1.5ml, 3ml, 7ml, 8ml, 10ml, 12ml, 13ml, 15ml, 20ml, 25ml, 30ml, 50ml, 60ml...