• Solder Paste Inspection
    At Shenzhen STHL Technology Co., Ltd., we understand that every step in SMT manufacturing is critical to the reliability of the final product — and solder paste inspection is the first safeguard for
  • ICT Testing
    Imagine a newly assembled PCB as a race car fresh off the production line — it may look flawless on the outside, but only through rigorous track testing can we confirm its stability at high speeds. .
  • FCT Testing
    At Shenzhen STHL Technology Co., Ltd., we often say that the true test of a PCB isn't on the production line, but when it faces real-world application environments. Visual inspection and in-circuit
  • AOI Inspection
    On Shenzhen STHL Technology Co., Ltd.'s production lines, one process acts like an eagle's eye, constantly monitoring every PCB — AOI Inspection. Unlike manual visual inspection, which can suffer
  • X-Ray Inspection
    On Shenzhen STHL Technology Co., Ltd.'s production lines, there is an inspection process that acts like an X-ray eye for circuit boards — X-Ray Inspection. When the solder joints of components such
  • Burn-In Testing
    In high-reliability electronics manufacturing, functional testing can only confirm a product's performance at that moment — it cannot guarantee years of stable operation in real-world conditions. The
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