The Group-owned companies have close business ties with Sany Heavy Industry, Zoomlion, XCMG and other construction machinery manufacturing enterprises in China, and large domestic enterprises that carry out construction in Russia, including China State Construction Engineering Corporation, Shanghai Construction Engineering, Zhenjiang Construction Engineering, Heilongjiang No. 3 Thermal Power Construction Corp. and other international engineering contractors. So it is easy to organize supply and engineering cooperation. The company is closely related to the various consulates and embassies and relevant management and service departments of China, so problems can be solved promptly and effectively.