China GPT Wire manufacturers Our History 3F Electronics Industry Corp.Ltd is a Sino-foreign joint venture established in 1996 with a registered capital of 23 million yuan.It is located in No.5 Zhenxing Road, Science City, Guangming District, Shenzhen City, Guangdong Province. It covers an area of 20,000 square meters, has 35,000 square meters, and has an annual sales volume of more than 1...