Vtr Group Hunan Hongying Biotechnology Co.,Ltd. founded in 1978, was transformed into a joint-stock enterprise in 1997, and has become the largest enzyme preparation production and export base in China.Leading products are high purity high conversion rate, saccharifying enzyme concentrate ", high temperature resistant alpha amylase, beta amylase, xylanase and cellulase enzyme, beta glucan, all kinds of food additives, feed enzyme preparation and single enzymes and compound enzyme and so on nearly 20 varieties of enzyme preparation, among them, the feed enzyme, papermaking using enzymes, textile enzyme is the national focus on the development of new biological products, widely used in feed, paper making, textile and other fields, to promote the application of industry to upgrade technology, to promote energy conservation and emissions reduction, promote enterprise's sustainable innovation ability is of great significance.

HuaKong group comprehensive combination of Hunan Hongying Biotechnology Co.,Ltd.energy supply situation, 2 # 2-1000 kVA transformer in distribution system circuit, and electricity load allocation in operation, Huakong energy-saving electricity protecting solution after implementation, remarkable economic benefits, energy-saving acceptance rate of 9.8%, saving electricity protective device to save electricity can be obtained at least RMB 310000, 30 years saving electricity saving total revenue at least RMB 9300000.

The total capacity of the whole plant is 16,000kVA, and the annual electricity charge is RMB 35,530,000. After the completion of all energy-saving transformation, the annual energy-saving benefit is RMB 3,482,000.