Capacity flask (type A), with white color and glass stopper for volumetric measurement;Capacity flask (type A), with white color and plastic stopper for volumetric measurement;Large-mouth capacity flask (type A), with white color and glass stopper for volumetric measurement;Large-mouth capacity flask (type A) with plastic stopper for volumetric measurement.;Capacity flask (brown A-grade high-precision polypropylene stopper);Capacity flask (high precision) with polypropylene stopper;Graduated cylinder with high-precision polypropylene stopper for volumetric measurement;Graduated pipette, Class A, expiratory type;Graduated pipette, Class B, expiratory type;Single-scale pipette, Class A, expiratory type.;Perfluorosulfonic acid pipette, Class A, expiratory type;Titration tube with perfluorinated brown color;Perfluorinated blue and white titration tube;Acid burette (Class A, expiratory type);Acid burette (laser brown, Class A, expiratory type);Acid burette (laser blue-white, Class A, expiratory type);Alkaline burette (laser, Class A, expiratory type);Alkaline burette (brown, Class A, expiratory type);Alkaline burette (laser brown, Class A, expiratory type);Alkaline burette (blue and white, Class A, expiratory type);Closed conical flask (with plastic or glass stopper);Density conical flask with stopper;Micro-burette, Class A, stand-type;Micro-burette, Class B, stand-type;Perfluorinated micro-burette, Class A, stand-type;Perfluorinated micro-burette, Class B, stand-type.;Full-automatic burette (Class B), laser-equipped;Photolithography perfluorinated fully automatic burette, Class B.