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SJV has passed the inspection and maintenance ability assessment of China Special Equipment Testing and Research Institute, and is able to conduct the inspection and maintenance of PN6.4 and above control valves, which provided favorable conditions for the company to improve the inspection and maintenance service level and the transformation and upgrading of service-oriented manufacturing.

On March 18, the audit experts of the China Special Inspection Institute reviewed the company's personnel and equipment configuration, special technical conditions, and resource conditions. And SJV officially passed the inspection on June 16.

Inspection and maintenance capability assessment is a professional technical service provided by China Special Equipment Testing and Research Institute, which adopts the internationally accepted technical route. The service object is the inspection and maintenance service provider that provides the maintenance, transportation and overhaul services of the equipment and equipment to the petroleum and chemical industry. Capacity assessment items include transportation services, rotating equipment, static equipment, electrical equipment, instrumentation equipment, inspection and testing, lifting machinery, anti-corrosion, heat insulation, cleaning, civil construction 11 categories.