Liaocheng Xinda Transformer Co., Ltd. recently received the official notification from State Grid Corporation of China (SGCC)​ regarding the pre-qualification results for its 2026 power transmission and transformation project substation equipment (including cables). Following a comprehensive evaluation by the review committee, all of the company’s 110kV and 35kV transformers​ in multiple specifications and energy efficiency classes have successfully passed the pre-qualification, granting Xinda Transformer the corresponding bidding qualification for SGCC procurement categories.

Rigorous Pre-Qualification Standards

SGCC’s pre-qualification process enforces high-standard, all-dimensional qualification audits covering:

• Manufacturing capability
• Quality management system
• Product type tests
• Performance guarantee capacity
• Financial creditworthiness
• After-sales service

These stringent reviews serve as the fundamental entry threshold for power equipment manufacturers to participate in SGCC’s bidding and procurement activities.

Approved Product Scope

The following transformer products have passed the pre-qualification:

110kV Transformers:

• Rated capacity: 63MVA and below, 50MVA and below
• Energy efficiency classes: Class 1 and Class 2

35kV Transformers:

• Rated capacity: 31,500kVA and below, 20,000kVA and below
• Energy efficiency classes: Class 1 and Class 2

Validity Period

The pre-qualification result is valid until June 30, 2027. Within this period, Xinda Transformer may use this notification to participate in bidding activities for the corresponding transformer categories under SGCC headquarters and its provincial (municipal, autonomous region) subsidiaries.

Significance and Future Outlook

Passing SGCC’s rigorous pre-qualification represents authoritative recognition from China’s largest grid operator of Xinda Transformer’s product technical performance, production strength, and full-process quality control system. Moving forward, Xinda Transformer will continue to:

• Deepen R&D and manufacturing of power transmission and distribution equipment
• Increase investment in energy-efficient transformer technology iteration
• Strictly adhere to energy efficiency standards and product quality
• Provide stable and reliable power equipment to support SGCC’s new-type power system construction
• Contribute high-quality equipment to national power grid infrastructure development