The registered address of siam seinda (beijing) science and technology ltd. Is located in room 1506a, 15th floor, located on the first floor of the changyang road, located in the city of beijing; the registration authority is the market supervisory authority of beijing's chaiyang district. The legal person is represented by zhang xingbai and operates on general projects: technical services, technology development, technical advice, technology exchange, technology transfer, technology promotion; property management; conference and exhibition services; graphic design; green management of the city; marketing planning; professional design services; outsourcing works; import and export of goods; technology; import and export agents; sale of chemical products (other than licensed chemical products); manufacture of clothing; retail distribution of stationery; sale of type i medical equipment; sale of medical equipment in category ii; specialized equipment repair; electrical repair on a dai...