Shenzhen ZhongTianCheng Technology Co., Ltd , established in 2001, is an IT new high-tech enterprise the professional manufacturer of the electronic digital products , including wireless Bluetooth keyboard, USB card reader, USB hub and network and so on.The products have attained the ISO-9001 quality, The company's products meet the international safety and quality standard of FCC.CE. ROHS. BQB Certification.Factory size:1000-3000 square meter 60workers in our company,QA/QC: Third Parties ?No. ...