Huaihua Jiannan Machinery Factory Co., Ltd. is located in Huaihua City, Hunan Province, known as the "gateway to Guizhou and Yunnan, throat of Guizhou and Chu", in the hinterland of the Wuling Mountains with beautiful scenery and rich ethnic customs. The company was founded in 1970, formerly known as State owned Jiannan Machinery Factory (code 4507 Factory), and is a third tier military enterprise under the Fourth Machinery Department. The first modern electronic computer external equipment production line, the first domestically produced computer hard disk, and the first set of computer floppy drives were all born here in New China, making outstanding contributions to China's aviation, aerospace, and computer localization industry. The registered capital of the company is 142 million yuan, with over 300 employees, including more than 30% of professional and technical personnel, and nearly 100 personnel with intermediate professional titles or above.

The company is committed to becoming a technology leading intelligent product service provider. After enterprise restructuring and technological transformation, we mainly engage in the research and development, production, and sales of high-precision electronic products and precision instruments. We have complete processing equipment such as electronic manufacturing, precision machining, whole machine assembly, mold manufacturing, injection molding, and surface treatment, as well as automated production lines for SMT, plug-in, testing, and more than ten production robots. We have 9 core technologies, including IC card composite encryption algorithm and application technology, hybrid networking and programming technology for remote smart meters, intelligent control technology for wind solar complementary power generation system, and intelligent water network system based on interactive communication. The company is a member of the China Instrument and Meter Industry Association and the China Electrical Instrument and Meter Standardization Committee. It has participated in the development of multiple national standards such as GB/T18460 "IC Card Prepaid Electricity Meter and Sales System" and holds 18 authorized invention patents; Passed ISO9001 international quality system certification, ISO14001 environmental system certification, ISO45001 occupational health system certification, "CQC", "energy-saving certification" and other product certifications; The company has established "Provincial Engineering Technology Research Center" and "Provincial Enterprise Technology Center", and is a "National High tech Enterprise", "Double Software Certification Enterprise", and "Hunan Famous Brand Enterprise". Its intelligent instrument products have won titles such as "National Key New Product", "Hunan Province Integrity Brand", and "Hunan Province Quality Product", and have successively won the first "New Hunan Contribution Award", "Huaihua City Mayor Quality Award", "Provincial and Municipal Science and Technology Progress Award", "Environmental Contribution Award", etc.

The main products of the "Jiannan" brand include: (local, remote) cost controlled intelligent energy meters, DC energy meters, overseas energy meters, water meters, heat meters, IC card prepaid energy meters, water meters, heat meters, data collectors, concentrators, collection terminals, intelligent controllers for wind solar complementary power generation systems, urban smart water network systems, etc.

The company is a qualified supplier of State Grid Corporation of China and China Southern Power Grid Corporation. We have provided intelligent metering system solutions for more than 20 provincial-level power grid companies in Hunan, Shanghai, Jiangsu, Zhejiang, Jilin, Fujian, Shaanxi, Xinjiang, as well as more than 1800 group customers including Huaihua Water, Yanji Water, Peking University, Tsinghua University, Aerospace First Academy, Beijing Military Region, Jinan Military Region, Shenyang Military Region, Guangzhou Military Region, etc.

Since expanding into the international market in 2019, we have obtained certification certificates for single-phase and three-phase smart meters from more than 10 countries, including KEMA and STS, as well as testing reports for 9 different specifications. We are qualified to participate in relevant national procurement bidding and have accumulated over 5 million US dollars in export earnings.

Over the past 50 years since its establishment, the company has received attention and support from leaders at the national, central, provincial, and municipal levels. Party and state leaders such as Zhao Ziyang, Jiang Zemin, Hu Jintao, and Zhu Rongji visited the company first.

We will continue to adhere to the business philosophy of "creating value for customers and leading the future with innovation", the quality awareness of "military quality and craftsmanship spirit", and follow the development ideas of "wisdom, intelligence, reputation, and trust" to achieve win-win results with customers and employees, and harmonious development with society.