Shenyang Yuanda Aluminium Industry Engineering Co., Ltd. specializes in design, manufacturing, installation and after service for the doors & windows and curtain walling, which is subordinated to Shenyang Yuanda Enterprise Group, the leading transnational enterprise in the exterior decoration line. It's annual construction capacity of the 3, 000, 000 square meters. Founded in 1993, our corporation is authorized by national Ministry of Construction it's first calss design company and outstand construction firm. Is best construction the department with produce doors & windows and curtain wall with is appointed corporation, it's in charge of design manufacturing installation. SYYD has always been regarding quality as the life vital of enterprise and has passed the authentication of the ISO9001: 1994 Quality system, and in 2002 has passed the authentication of the ISO9001- 2000 Quality system, SYYD is an AAA enterprise in the system of financial credit in China. SYYD and curtain wall company's specialist of Europ America Hongkong and the other countries keep in touch with multiform of cooperation, cultivate a number of good technology people, the developand research kinds of good capability of doors & windows.