HISENG at the international exhibition CHINA GLASS 2021 HISENG is a corporation that only focuses on researching, designing, manufacturing and always leading in the technology of automatic 4-sided glass polishing grinding lines with many outstanding features that other manufacturers do not have. At the international exhibition of glass technology CHINA GLASS 2021, HISENG continues to display and introduce a line that automatically measures and automatically import data of glass sheets into a fast 4-sided polishing system with 48 grinding heads. There are 24 coarse-fine-smoothie grinding heads equipped with the 5th (V) 24 servo motors which automatic compensates the grinding wheel PHU SON Corporation is a strategic partner with a good and long-lasting cooperation relationship with HISENG during the past 15 years with the result of hundreds of 4-sided glass polishing edging lines provided and transferred by PHU SON Corporation all over the world. Vietnam is evaluated by Vietnamese investors with absolute plus points, in which many investors have continuously chosen equipment lines manufactured by HISENG. Right in this second quarter of 2021, we will experience high-speed four-sided glass polishing edging line with 48 grinding heads and 90-degree rotating straight conveyor belt manufactured by HISENG and supplied and transfered by PHU SON Corporation HN to GP1 factory and many traditional HISENG 4-sided polishing edging lines in all provinces and cities of Vietnam.