Beijing Haiyitai Technology Co., Ltd is an international trade company, which has Jiangxi Yarui Technology Co., Ltd. And Jiangxi Yangsheng Electronics Co., Ltd. Two manufacturing factories. YARUI and YANGSHENG were established in 2005, since the establishment it has developed a full-cycle system covering R&D, production, sales, and services across various product domains, including electrical, electroacoustic, electronic, mechanical manufacturing, and personal protective equipment, cementing ...