北京中安信专利事务所 main business:提供专利事务方面的咨询；代写专利申请文件；办理专利申请；请求实质审查或者复审的有关事务；提出异议，请求宣告专利权无效的有关事务；办理专利申请权、专利权的转让以及专利许可的有关事务；接受聘请指派专利顾问（执照有效期至：2005年05月14日） and other products. Company respected "practical, hard work, responsibility" spirit of enterprise, and to integrity, win-win, creating business ideas, to create a good business environment, with a new management model, perfect technology, attentive service, excellent quality of basic survival, we always adhere to customer first intentions to serve customers, persist in using their services to impress clients.

welcome new and old customers to visit our company guidance, my company specific address is: 北京市海淀区花园北路44号贯通大厦B314.

If you are interested in our products or have any questions, you can give us a message, or contact us directly, we will receive your information, will be the first time in a timely manner contact with you.