Guangdong Sayfu Multilayer Circuits Co., Limited is a professional high-tech multilayer pcb group with a focus on HDI PCB, rigid-flexible pcb, IC Substrate, and PCB Assembly. The company was founded in Shenzhen, Guangdong, in 2001. Production commenced at the HuiZhou plant in Guangdong in 2019. From R&D samples to mass production, our factory is committed to offering customers high-end PCB manufacturing services at one location. SAYFU has successfully passed international quality system certifications including ISO 9001, UL (E511658), and ISO14001 environmental quality system. The products include Double Sided PCB, High Multilayer PCB, HDI, FPC, Aluminum Substrates, and Thick Copper PCB. In comparison to our competitors, we are able to offer quick turn prototype PCBs with excellent quality, on-time delivery, top-notch service, and affordable prices. With