On Aug 26, 2020, four-person group of experts from State Grid Co., Ltd carried out on-site audit of supplier qualifications on 750kV capacitive voltage transformer, 500kV oil-immersed inverted current transformer, and 66 kV SF6 current transformer in Shandong Taikai Instrument Transformer Co., Ltd.

According to the requirements of national standards, industry standards and supplier qualification information verification specifications, the members of the expert group conduct the full audit on design and development, material entry and production processes, routine testing and after-sales service and other links in the entire life cycle of the products with the cooperation of various departments including technology, process, QA, procurement, manufacturing, etc. The experts agreed that the Company has detailed and sufficient data preparation and good performance in random tests, which reflects the superior capabilities on design and R&D, comprehensive quality control and sufficient production and supply. The three types of products meet the requirements of the audit specifications. The company passed the on-site audit of State Grid’s supplier qualifications.

   750 kV CVT site test                             500 kV oil-immersed inverted CT site test

The successful passing of the qualification auditing demonstrated our company's consistent product quality strength and strong independent innovation capabilities, and further perfected the product sequence. Especially, 750 kV capacitive voltage transformer and 500 kV oil-immersed inverted current transformer are ultra-high voltage products independently designed and developed by the company. Through careful design and hard work, the product technology reaches the leading domestic level. These products have improved our competitiveness in UHV market, and provided assistance for the company's sustained and rapid development.