北京千禧年代投資有限公司為萬達意有限公司在中國大陸內的投資公司。成立于2001年2月19日，在北京市朝陽區注冊，注冊資本為2600萬元人民幣。公司董事長陳達文先生,系第十一屆朝陽區政協委員。
公司以香港為基地，與時俱進，并充分利用香港的人才和資金優勢。目前公司從事的業務主要有：一、從事資本密集型的房地產開發業。致力于開拓中國市場、集房地產投資開發、物業代理、物業顧問于一體，從項目開發、策劃、乃至銷售、管理，提供社會多元化之全面服務；二、從事與房地產項目及相關產業的投資與開發；三、從事計算機及其航天航空相關電子產品的高科技產業的咨詢、代理、進出口貿易和投資。

Mandecly Limited (hereinafter refer to “the Group”), a Hong Kong registered company found in 1988 who was initially engaged in investment, agency and Imp. & Exp. trade of computer and related electronic equipments. In 1989, the Group has successively invested two joint ventures in Fuzhou City, mainland China: Fujian Star Computer Equipment Co., Ltd., Fujian New Century high-tech Industry Group Co., Ltd. With which the group has achieved good economic and social benefits and made an important contribution to the development of the local high-tech industry. In addition, the Group has served as major sales agent in China market for HP / APOLLO workstations of the U.S. computer maker Hewlett-Packard, for modems of communications equipment manufacturer RACAL, and for memory board of CLEARPOINT.

Since 1991, besides trading business, the Group has also been devoted to exploring the Chinese property market, with integrated feature of real estate investment, real estate agent and property consultant whose activity covers from project development, planning, sales, as well as management, by providing full range of social services. In 1993, the Group formally joined the Hong Kong Real Estate Agencies Association, who shall be the first member specializing in real estate agent in China.

As a local investment corporation of the group in mainland china, Beijing Millennium Investment Co., Ltd. was found in the beginning of 2001, whose registered capital is 26 Million RMB. Beijing Millennium actively keep pace with the local government's economic development strategic, and strive to build large-scale, specialized, diversified development model, and formed a real estate, high-tech as its pillar industries, capital operation as a link to the strategic development and thus achieve a strategic, leap-forward development. Investment involves real estate, high-tech, finance, securities, consultant services and other fields.

As an affiliate company of Beijing Millennium Investment Co., Ltd, Beijing Grand Succeed Industry Technology Co., Ltd (GSITECH) was found in 2006, which is responsible for high-tech field of business. GSITECH is growing into a professional business consultant, representative and distributor firm supplying various of new and high-tech products, in particular space products. The Company's management has long recognized with a clear vision of the growth and prospects of China high-tech industries. As our personnel being with the markets long, the company has fully understood the market trend and potential as well as its customers' needs there. It has benefited the company established the way closely interacting its suppliers and customers working together with mutual benefits. As an important “bridge”, the company aims to provide and support its customers and serving china high-tech industries various kinds of technical solutions, high performance/cost rating and technology-wise leading edge products with ultimate satisfaction.