成立于1979年的哈尔滨正大集团是以建筑及房地产开发为主的企业。
Founded in 1979, Harbin Zhengda Group is a large corporation focusing on construction and development of real estate.
适用范围：一般工业、民用建筑及房地产、水利工程，尤其适用于大体积混凝土。
Applicable scope: Ordinary industrial and civil architecture, real estate, hydraulic engineering. Especially for large volume concrete project.
近年来，建筑及房地产业的兴起、地方工业开发园区建设过泛等原因，使得我国的耕地面积急剧减少。
The cultivated areas is rapidly decreasing in our country in the recent years because of the rise and developing of building, real estate and local industry estates.
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