Shenzhen Threetek Technology was established in 2008, 16 years focus on manufactureand sale of printed circuit boards, providing high reliable, quick andprofessional product to global customer. Products apply to automotive, medical, industrial, telecom, security and UAV etc. 50% products are exportedto 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