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.: O…
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