Specimen jars with the specific dimensions of 120 x 180 mm are widely manufactured in China for laboratory, medical, and educational use. These jars are typically made from high borosilicate glass and feature a ground-in glass stopper with a knob for an airtight seal.

Several specialized laboratory glassware suppliers in China offer these dimensions or similar custom sizes:

• GUIDE MEDLAB (Yancheng City Huaou Industry Ltd.): A major manufacturer based in Jiangsu, China, specializing in laboratory glassware, including specimen jars with ground-in glass stoppers. You can contact them via the GUIDE MEDLAB website.
• Shanghai Allcan Medical Co., Ltd.: A gold member supplier on Made-in-China that provides various sizes of glass specimen jars and bottles.
• Zhengzhou Rhino Biotechnology Co., Ltd.: Offers laboratory glassware and sample storage vials with ISO certification, supporting customization for packaging and logos.
• Yancheng Rongtai Labware Co., Ltd.: Specifically lists lab-use glass specimen jars, including sizes like 210 x 120 mm, and is known for high-quality glass products.

Key Product Features

• Material: Most are crafted from borosilicate glass, known for its thermal resistance and chemical durability.
• Sealing: Jars often include a ground-in glass stopper with a knob, ensuring a tight seal for preserving biological specimens.
• Applications: Used for collecting and preserving animal and plant specimens in research, medicine, and teaching institutions.