PODUCTS NEWS INDUSTRIAL NEWS CHARNG HOUNG Manufactory Co. Our latest IATF 16949 certificate is up loaded 2026-08-05 To see the complete certificate, please click me BACK NEWS PRODUCTS LINE STANDARD PARTS SPECIAL PARTS SOCKETS STUDS (DOUBLE END STUD) SCREWS PINS, RIVET Carriage Bolt SPECIAL THREADS COMPANY PTOFILES ✚ About Us ✚ Quality System