As an electronic product assembly service provider that has passed ISO9001, ISO14001, ISO13485, and IATF16949. All of our products comply with RoHS standards. For 18 years, STHL has been recognized as a high-quality PCBA supplier for long-term cooperation by customers in over 60 countries worldwide due to its excellent engineering and production capabilities in material analysis, storage, advanced production equipment, comprehensive and reliable product testing (AOI, X-RAY, and various functional tests), efficient SMT and DIP assembly and other technical fields.