Room 204 #18 Building No.423 Wuning Rd, Shanghai, China

<p class="intro-cnt J-txt-cnt"> We, TAC Vector Optics, pride ourselves as a company in touch with high end optics business by providing innovative and high-qua...

Shanghai Jiefeng Information Technology Co., LTD. founded in 2014, is a high-tech company specializing in the development, production, sales and service technology of Bluetooth fingerprint padlocks, l...