On-site commissioning test for a customer of a company in Shanghai: On-site testing of components or equipment to verify the correctness of installation and operation.

On-site commissioning test for a customer of a company in Hubei: On-site testing of components or equipment to verify the correctness of installation and operation.

On-site commissioning test for a customer of a company in Tianjin: On-site testing of components or equipment to verify the correctness of installation and operation.

On-site commissioning test for a customer of a company in Fujian: On-site testing of components or equipment to verify the correctness of installation and operation.

On-site commissioning test for a customer of a company in Nanjing: On-site testing of components or equipment to verify the correctness of installation and operation.

On-site commissioning test for a customer of a foreign company: On-site testing of components or equipment to verify the correctness of installation and operation.