NEWS
News
Hangzhou Siseyin Technology Co., Ltd. was established on June 20, 2022. The company is mainly engaged in new material technology promotion services, new material technology research and development, technical services, technical development, technical consulting, technical exchange, technical transfer, and technical promotion. Its business scope also includes paper product sales, advertising production, graphic design, plane design, consulting and planning services, professional design services, office supplies sales, internet sales, computer system services, computer software and hardware retail, data processing services, and goods import and export.
