I'm Wing from Rich Full Joy Electroic Co.Ltd, our company is one-stop solution from development to production and direct technical support, solve the problem of long production lead and unstable quality. Our company advantage for PCB design:1>Professional PCB design R&D engineer : 500+2> Technical expertise : high-speed PCB design, analog, data-mixing, high-density, high voltage, radio frequency 3>Annual average PCB design order quantity : 10000+4>Professional 56G/112G, DDR4/5, SI/PI high-speed simulation team5>Up to 68 layer design, 25Gbps differential signal 100cm6>100+ PCB design related patents, sofeware copyrights and multiple qualification certificatesOur company advantage for SMT welding:1> 5 factories :Shenzhen, Huizhou, Jiangsu, Wuhan, Hunan2>20 SMT lines3>High end FUJI NXTIII, Yamaha high-speed mounting machine, Nitrogen reflow soldering, etc.4>Inspection equipments such as AOI, 3D SPI, 3D X-RAY, intelligent first piece tester, etc.5>One-stop service of mounting, post welding, assembling and testing6>Concentrating on SMT express delivery, with a 48 hour delivery rate exceeding 95%, and expedited delivery within 8 hoursOur company advantage for PCB plate making: 1>Type : PCB(2-68 layers) sample & batch manufacturing, achieved excellent results in HDI, high multi-layer PCB, FPC, Rigid-Flex, etc.2> Special process : blind/buried hole, step groove, ultra size, buried resistance/capacity, hybrid pressing, rigid-flex, gold finger, N+N structure, heavy copper, back drilling3>Common substrates : FR4 Tg/HIGH, Tg/Low DK, RO4350B, FR408HR, M4, M6, TU862, TU872, Rogers, IT968, etc.4> Surface finish : HASL, Pb-free HASL, ENIG, Immersion Tin, Immersion silver, gold plating, OSP, ENIG+OSP, ENEPIG5>IISO9001/ISO14001/TS16949/UL//ISO13485/QC08000/GJB 9001C-2017 certificationsI have enough confidence to service well for every customer, since our professional background and I have rich experience in salesman and expertise in PCB/ PCBA/ Solar energy. Enthusiastic, persist, meet customer's request, customer is 1st priority.So, if you're looking for a reliable and experienced factory. Please feel free to add me on Linkedln or drop me an email mkt-3@rc-online.com.cn or whatsapp# + 86 13715133425.website: http://www.richpcba.com