Shanghai Jiu Ling Network Technology Co., Ltd. (thinking billion euros in Shanghai marketing center operators) is a professional foreign trade site construction and SEO optimization company, 2007 start engaged in foreign trade site construction and SEO optimization service, has served more than 5000 customers nationwide, the business scope of radiation in mainland China, Taiwan, Hong Kong, Southeast Asia, Europe and the United States and other regions, and to a good professional qualities and sense of service, unique in the industry, become the foreign trade network marketing service leader.