a professional rivet and screw manufacturer
with ISO-9001:2015 quality management system certification
supplying high quality products at reasonable price


Jhao Sin is never satisfied with current conditions. It aspires to lead the enterprise to achieve perfection, taking the lead in the industry.


In 2001, Jhao Sin was certified with the ISO-9001 quality management system. Minimizing cost, defects are eliminated to create the maximum value for the enterprise organization and related production chains.


Customer satisfaction is the survival guide for enterprises. We collaborate with customers enthusiastically, and real-time feedback and resources are provided to boost the quality and efficiency.