With ' Quality First' principle, during the production of carriage bolt, NINGBO YI PIAN HONG FASTENER CO.,LTD has cultivated workers' awareness of strict quality control and we formed an enterprise culture centering on high quality. We have established standards for the production process and operational process, carrying out quality tracking, monitoring and adjusting during each manufacturing process.

Over the years, we have been committed to delivering exceptional YPH to global customers. We monitor customer experience through new internet technologies - social media platform, tracking and analyzing the data collected from the platform. Thus we have launched a multi-year initiative to improve the customer experience that helps maintain a good cooperative relationship between customers and us.

As a company putting customer satisfaction the first, we are always standby to answer the questions involving our carriage bolt and other products. At YI PIANHONG, we have established a group of service team who are all ready to serve customers. They are all well trained to provide customers with prompt online service.