QiGuan Electronics Co.,Ltd.



Shenzhen QiGuan Electronics Co.,Ltd.

Contact: William Yu
                Sunny liu



Tel: +8618064461868

Fax: +8675561285959



Position: Home > AboutUs

Qiguan Electronics was established in 1999, specializing in PC diagnostic and analyzers production. With a decade of continued progress and development our company now covers an area of 3,000 square meters, employing 300 staffs overall.


Our main products can diagnose computer problems at an accuracy of 100% so nothing gets by. Our cards can test the stability of a wide range of systems from old technologies to the new one.

Our products are patented (patent number: 03,126,857.9; Certificate No.: 208,776).

Our products are shipped and sold around the world. Our biggest clients comes from the USA, UK, Germany and France.

Brief history of our product development:
In 1998, we invented and produced the first diagnostic card with anti-insertion ISA slot which does not burn any component. 
In 2001, we invented and produced the first two-slot diagnostic card with which PCI and ISA share the same resources. This product is patented.

In 2003, we invented and produced four digital diagnostic cards. This product is patented.
In 2008, we invented and produced new generation of diagnostic cards which can totally eliminate initial code. This product is patented.

In 2008, we invented and patented the only card which can see all the redundant and omitted codes. This product is patented. 
In 2008, we invented and produced a new card which changed traditional repair concept by computer stability test card patent number. This product is patented.

We hope to establish long term and close cooperative relationships with our customers, and grow together based on mutual benefits and win-win model. We are your trusted and reliable manufacturer in China.