Shenzhen Threetek Technology Co., Ltd.was established in 2008, 16 years focus on manufacture and sale of printed circuit boards, providing high reliable, quick and professional product to global customer. Products apply to automotive, medical, industrial, telecom, security and UAV etc. 50% products are exported to Europe, North America and Southeast Asia.. Achieved certificates: IS9001 /ISO14001/IATF 16949/ISO13485 /ISO45001 . UL certificates :E360726 (Single layer \ Double layer Flex PCB\ 2~6 layer Rigid-flex pcb