The present system was officially put into operation in 2007, has more than 500 new products, machine building enterprises through the filing of the registration system to declare for the record.

本系统于2007年正式投入使用，已经有500多个新上建机产品备案企业通过该系统申报登记备案。

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Companies are integrated enterprises, the main core for the building or real estate, the provision of gravel, sand, brick machine, quarry and transport.

公司属综合性企业，为主要核心建筑或房地产，提供砂石、河沙、机砖、石矿及运输。

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Companies are integrated enterprises, the main core for the building or real estate, the provision of gravel, sand, brick machine, quarry and transport.

公司属综合性企业，为主要核心建筑或房地产，提供砂石、河沙、机砖、石矿及运输。

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