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Quality Control

The laboratory is equipped with state-of-the-art testing equipment: an Agilent 8890 gas chromatograph, a PPSL-2 irradiation residue analyzer for food and pharmaceuticals, an HBS-S halogen moisture analyzer, HPLC-water high-performance liquid chromatographs (two sets, one with fully automatic sampling), a UC UV-Vis spectrophotometer, two sets of Shimadzu HPLC systems, and one Agilent HPLC system, among others.
has established comprehensive partnerships with the National Engineering Research Center for Utilization of Plant Functional Components, as well as organizations such as Eurofins, SGS, and NSF, to provide testing services and personnel training for our company.

High-Temperature and Drying Equipment Area

Sample Preparation and Ventilation Area

Agilent 8890 Gas Chromatograph

Sample Preparation and Ventilation Area

Agilent 8890 Gas Chromatograph

High-Temperature and Drying Equipment Area

Factory Introduction

Yongzhou Dong'an Sweet Vine Factory

Factory in Changsha High-Tech Zone

Longsheng Factory in Guilin

Yongzhou Dong'an Sweet Vine Factory

Factory in Changsha High-Tech Zone

Longsheng Factory in Guilin

Yongzhou Dong'an Sweet Vine Factory

The Changsha cGMP facility covers an area of 15 mu and has an annual production capacity of 500 tons. It specializes in the production of health food ingredients, other high-quality plant extracts, and blended natural sweeteners, and is equipped with a plant extract engineering and technology research center, a granulation workshop for blended sugars, and a fully automated filling production line.

Factory in Changsha High-Tech Zone

The Changsha cGMP facility covers an area of 15 mu and has an annual production capacity of 500 tons. It specializes in the production of health food ingredients, other high-quality plant extracts, and blended natural sweeteners, and is equipped with a plant extract engineering and technology research center, a granulation workshop for blended sweeteners, and a fully automated filling production line.

Longsheng Factory in Guilin

The Changsha cGMP facility covers an area of 15 mu and has an annual production capacity of 500 tons. It specializes in the production of health food ingredients, other high-quality plant extracts, and blended natural sweeteners, and is equipped with a plant extract engineering and technology research center, a granulation workshop for blended sweeteners, and a fully automated filling production line.

Production advantages

Patent

100%

GMP

Quality Management System

Organic Luo Han Guo and Organic Sweet Tea Plantation

10,000-ton class

High-Capacity Continuous Counter-Current Extraction Production Line

set

Advanced Membrane Separation and Purification System

100,000-class

Cleanroom

one

A state-of-the-art extraction and purification plant

one

Production Facility

Technical advantages

Hunan Nutramax Inc. has appointed Academician Liu Zhonghua of the Chinese Academy of Engineering as its Chief Scientist, and has recruited Professor Tian Yun and Professor Gong Yushun from Hunan Agricultural University, Professor Ouyang Wen from Hunan University of Chinese Medicine, Professor Zhang Sheng from Central South University of Forestry and Technology, and Professor Peng Xinhai from Hunan Provincial Botanical Garden as members of its expert team. Green Vine Biotechnology prioritizes technology and leverages its talent advantages, maintaining a research and development team of over 20 members. The team is highly experienced, with expertise spanning natural product chemistry, traditional Chinese medicine chemistry, biotechnology, food engineering, and plant cultivation.

Hunan Nutramax Inc. holds 56 invention patents for compounds such as luo han guo glycosides, sweet tea glycosides, and lutein. The company secures 2–5 new invention patents annually, with over 30 additional patents currently pending. Among these, two patents related to the production processes of sweet tea extract and luo han guo extract have received the Hunan Provincial Patent Award. The company has received one Third Prize in the Hunan Provincial Science and Technology Progress Awards and one Second Prize in the Changsha Municipal Science and Technology Progress Awards. Its scientific achievement, “Research and Industrialization of Green and Efficient Extraction Technology for Monk Fruit,” has reached a leading domestic level.