In principle, conventional mechanical and electrical construction and financial investment by the new construction, electrical and decoration technology investment by the joint venture, the specific interface is divided as follows:

In principle, construction and conventional Electrical and Mechanical Services by the new financial investment and construction processes, electrical and mechanical and decoration by joint venture investment company, specific interface is as follows:

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In principle, civil engineering and General from new financial investments for mechanical and electrical construction, process, mechanical and decorated by venture investment, Division of specific interfaces are as follows:

In principle, building construction and regular electromechanics are invested in the construction of by the new finance, the electromechanics of craft and fits up and invested in by the co-partnership companying, the concrete interface is divided as follows: