On December 30, 2015, adhering to the business philosophy of "integrity, gratitude, innovation and progress", Shenzhen Zhanggonghe Precision Hardware Co., Ltd. was recommended by Shenzhen Private Association as the "Shenzhen Second Red Flag Integrity Enterprise". To this end, the Times of Private Enterprises in Shenzhen published a special article, Zhang Gonghe: Sticking to the Road of Integrity and Innovation, which focuses on the valuable spirit of Mr. Tan Yingjian, the general manager, in his 15 years of entrepreneurship and development.