Shengjiu Group Co., Ltd. was founded in 1984, it located on the banks of Yinxi River. It was formerly known as Dayin Hardware Machinery Factory. After 38 years of hard work by the two generations of Chairman Yao Jinming and President Yao Chunliang, They have created a comprehensive industrial cabinet lock manufacturing enterprise, Shengjiu Group, which integrates R&D, production, sales and other functions. It located at: No.1 Shengjiu Ring Road, Dayin Industrial Zone, Dayin Town, Yuyao City, Ningbo City, Zhejiang Province. The group has four subsidiaries: Ningbo Shengjiu Cabinet Lock Co., Ltd., Ningbo Shengjiu Electronics Co., Ltd., Ningbo Shengjiu Cooling Technology Co., Ltd., Ningbo Shengjiu Communication Equipment Co., Ltd .; six functional departments: President Office, Financial Management Center, Marketing center, personnel administration center, cost and supply chain control center, information and information center; three business departments: mold business department, surface treatment business department, group laboratory. It has set up offices in Beijing, Shanghai, Shenzhen, Chengdu, Wuhan, Qingdao and overseas, and established heat dissipation R&D centers in Ningbo, Shenzhen, Taiwan and Dalian to serve customers faster and more efficiently.