2010    Founded

            The Spare Parts Department was established to win-win Solar Spare Parts

            The upper coating U-shaped groove was successfully developed

            The dual development of PCVD spare parts was successful (graphite boat, CC frame, special gas tube, U-shaped groove, etc.)

2011    Recycled Coating Division established

            Graphite carbon carbon output is clear, maintenance business is put into production

            The thin-film photovoltaic spare parts cleaning business was put into production

2012    Precision Vacuum Division was established

            The coating technology is put into mass production

2015    Won the title of national high-tech enterprise

            Passed ISO9001 international quality system certification and environmental management system certification

2016    The Wuxi production base was established, and the vacuum pump maintenance business in central China developed rapidly

            Received the Beijing New Technology and New Product (Service) Certificate

2018    Obtained multiple software copyrights

2019    Wuhan Haohan Optoelectronics Technology Co., Ltd. was established, and parts regeneration and vacuum pump maintenance business in East China accelerated accordingly

            Received the title of Zhongguancun High-tech Enterprise

2020    Headquarters of Beijing Tongjia Hongrui Technology Co., Ltd. relocated