jiangsu shenwang technology is a network security company specializing in the development and sales of cross-domain security products and providing network offensive and defense technical services. r&d focuses on domestic products such as shenwei and feiteng  | 全网优质资源一站式聚合平台 | a high-tech enterprise for design, development and sales of chips and modules and security terminal products. at present, it has passed the national high-tech enterprise certification, unionpay card acceptance terminal product enterprise certification, software enterprise certification,
dongtian industrial control-founded in 2008, it is a professional customized manufacturer of domestic chemical control machines integrating design, production, marketing and service. its main products include domestic chemical control machines and domestic

shenzhen xinjieying electronics co., ltd.-focus on industrial computer research and development, production and solutions