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Specializing in the production of network filters, high-frequency transformers, inductance coils and other electronic products.

Company Profile


The company was founded by Mr. Fan Yunguang in Taiwan in 1994 and set up a factory in Shijie, Dongguan in 1997. Focus on network filters for 24 years.

Qualification Honor


Our company has passed the quality management system certification: ISO 9001:2015,SGS certification, UL, CUL, VDE and CQC safety certification.

Core advantages


Have your own brand M-TEK. Nearly 20 years of operating history, respectively, in Hong Kong, Shenzhen, Shanghai, Dongguan, Sichuan and other places to set up branches and manufacturing plants.

Contact Us


Address: 295 Qingfeng East Road, Shijie Town, Dongguan City, Guangdong Province


Product Center


The company has its own brand M-TEK, with high quality and stable product quality and good after-sales service to get the majority of customers.

About Us


Hongqing Electronics (Dongguan) Co., Ltd.

The company was founded by Mr. Fan Yunguang in Taiwan in 1994 and set up a factory in Shijie, Dongguan in 1997. The company specializes in the production of network filters, high-frequency transformers, inductance coils and other electronic products, with its own brand M-TEK. In the mainland has nearly 20 years of operating history, respectively in Hong Kong, Shenzhen, Shanghai, Dongguan, Sichuan and other places to set up branches and manufacturing plants.

Learn more

News Information


Filter insertion loss characteristics, network impedance determination

The differential mode insertion loss of the filter has a great relationship with the network impedance to which the filter is connected. 99% of filter manufacturers only provide curves A and B, but not C and D. The selection of the filter by the manufacturer's curves A and B alone does not guarantee that the test will pass.

5G infrastructure speed up, ceramic filter capacity supply can meet the peak demand?

Following the February 22 meeting of the Ministry of Industry and Information Technology to resume work and production called for speeding up 5G construction, the March 4 Politburo meeting once again stressed the acceleration of the construction of projects under construction to promote the accelerated development of 5G networks.

Teach you to apply linear filters on real image data

Convolutional neural networks typically learn useful features from training data. The features learned by the first convolutional layer are often the basic elements of some training data depending on the task. For example, in the image data, the learned features may embody edges and blobs. In subsequent network layers, these learned features can represent more abstract, more advanced features.


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