How are the units called

How are the units called

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Hoang Khanh Trading Co., Ltd
Office: 666/53 Ba Thang Hai Street, Ward 14, District 10, Ho Chi Minh City, Vietnam Click for directions >
Telephone:  +84 28 6264 7585 (Trading hours: Mon to Sat from 08:00am to 05:00pm)
Email: info@hoangkhanh.net.vn