Introduction
Qualifications
We have currently possessed qualifications for Overall Contracting of Construction Engineering (Level III), Overall Contracting of Petrochemical Engineering (Level III), Overall Contracting of Mechanical and Electrical Engineering (Level III), Special Field Contracting of Building Electromechanical Installation Engineering (Level III), Special Field Contracting of Fire Protection Facilities Engineering (Level II), Special Field Contracting of Building Decoration and Fitment Engineering (Level II), and licenses for the installation, transformation, and maintenance of special equipment (GB1, GB2 and GC2). ZYA has passed the certifications of ISO 9001 Quality Management System, ISO 14001 Environmental Management System, ISO 45001 Occupational Health and Safety Management System, and Five-Star After-Sales Service Certification.  

One stop factory service for installation engineering contracting

We provide comprehensiveinstallation engineering contractingone stop factory service, providing customers with full process services from design, procurement, construction to acceptance.

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