2011

Shenzhen Yuyihong Electronic Technology Co., Ltd. was established with a registered capital of RMB 1 million. The YYH4078 communication relay production line was put into operation. With the support of high-quality customers and the customer-centric service attitude of all staff, the company achieved a gratifying turnover of RMB 3.25 million at the end of the year.

2012

The company obtained ISO9001 quality management system certification and launched the YYH3F power relay production line. In the same year, it became a partner of Samsung Printers. The annual turnover reached RMB 6.67 million by the end of the year.

2013

The second YYH4078 communication relay production line was introduced. The company successfully joined the supplier list of Suzhou Kingclean for relays. In the same year, it established strategic partnerships and sales channels with multiple enterprises, with an annual turnover of RMB 15.34 million at the end of the year.

2014

The company completed the upgrading of the standard clean workshop. To meet customers' demand for YYH4078 relays, it invested RMB 2.8 million in upgrading and transforming two production lines. During the same period, the maximum monthly sales volume of this product series reached 1.05 million units. The annual turnover hit RMB 39.19 million by the end of the year.

2015

To meet the market demand for YYH3F relays, the company invested RMB 1.2 million in production line upgrading, increasing the monthly production capacity from 600,000 units to 1.17 million units. In the same year, to further satisfy market needs, it introduced YYH15F, YYH14F and YYH21F production lines, with an annual turnover reaching RMB 67.25 million by the end of the year.