GBPI specializes in producing and researching packaging testing equipment, our products are widely used by food, pharmaceutical, cosmetics industries to test oxygen permeation, water vapor permeation, gas permeation, tensile strength, heat sealing, co-efficient friction, leakage, thickness, impacting and other properties. Among our products the permeation series testers (OTR, WVTR and GTR) are mainly used for plastic film(PE ,PET, OPP, PVC, ect), aluminum foil and paste paper, metal sheets, PVC sheets to test, testing oxygen transmission rate, water vapor transmission rate, and gas transmission rate. Gas chromatography carries out the quantitative analysis and peculiar smell testing for residual solvent on food packaging cases after printing. The inverted pressure sterilized boiler is ..