High-voltage zero-crossing switching device recognized as a key technological innovation product in Sichuan Province.

Establishment of a power electronics R&D platform; development of industrial automation control systems; research and development of high-voltage zero-crossing switching components.

Obtained full qualifications for military safety, production, and Level 3 confidentiality; initiated research and development of CRH power energy-saving devices.

Officially listed on the NEEQ, the first enterprise from Leshan to do so; initiated research and development of electrified railway catenary automatic pre-assembly platform.

Commenced comprehensive R&D on all-vanadium flow batteries, established a 6MW pilot production line and a key materials testing laboratory for vanadium batteries.

Successfully developed a 5kW electric stack; deployed Sichuan's largest-scale all-vanadium flow battery system into operation; established the Innovation Energy Storage Research Institute; became a member of the liquid flow battery standards committee in the energy storage industry; achieved independent development of the world's first encapsulation technology.

The Energy Storage Research Institute was recognized as a municipal-level industrial technology research institute in Leshan; successfully developed a 10kW electric stack.

Successfully developed 21kW and 32kW electric stacks; completed the trial production of key materials for bipolar plates; signed the world's largest photovoltaic-side vanadium flow energy storage project with a capacity of 7.5MW/22.5MWh; successfully developed an intelligent electric stack production line autonomously.

In June, the electric stack encapsulation technology was selected for the national-level key special project "Technology Empowering Economy 2020"; in September, the groundbreaking ceremony for the digitalized energy storage factory in Aksu, Xinjiang commenced; in December, the largest photovoltaic-side all-vanadium flow energy storage power station in China was connected to the grid (total installed capacity: 7.5MW/22.5MWh).

In May, the digitalized factory for all-vanadium flow batteries commenced construction in Zhongning County, Ningxia; in June, signed a cooperation agreement with Datang in Ningxia to jointly develop photovoltaic targets and energy storage stations for the 14th Five-Year Plan; in July, entered into a cooperation agreement with Huadian in Xinjiang to jointly develop photovoltaic targets and energy storage stations for the 14th Five-Year Plan.

In May, a cooperation agreement was signed with GCL System Integrated Technology; in July, an agreement was reached with CNNC Titanium Dioxide; in December, agreements were signed with Powerchina Group and Gansu Zhongbo Energy Technology Co., Ltd.

In April, a cooperation agreement was signed with China Sodium Energy; in May, an agreement was reached with Anhui JinVanth Energy Technology; in June, agreements were signed with China General Nuclear Power Group and Powerchina Group.

In February, a strategic cooperation agreement was signed with Sichuan Development Xingxin Vanadium Energy Technology Co., Ltd.; in March, a strategic cooperation framework agreement was signed with Inner Mongolia Electric Power Economic Technology Research Limited Liability Company; in April, selected as one of the first batch of flagship product chain leading enterprises in Sichuan Province; in May, signed an investment cooperation agreement on vanadium battery industry with partners in Yuanmou County, Yunnan Province.