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Quality Assurance

Yongfeng is a ISO- Certified factory, the whole production cycle is monitored by our Quality
Management System ISO 9001:2008 certified.

These measurements are made through the use of sophisticated tools and dedicated software, together with skilled personnel always up to date.

At Yongfeng, our clients’ quality standards are non-negotiable, we take full ownership of quality assurance to ensure that every product meets its required specifications and standards, every step of the way.


We have a 100% guarantee on our products. If you are not satisfied, we will work with you to make it right. You can rest assured that the product will meet or exceed your quality standards. We take pride in servicing our customers and ensuring they are 100% satisfied. Our team will be with you every step of the way – from concept to after the sale.

Parts need to be deemed properly assembled and installed when operated under normal use and service for the warranty period of 1 year.

Copyright(c) Ningbo Yinzhou Yunlong Yongfeng Machinery Parts Factory  www.nbyfjx.com  All rights reserved.
Add: Xudongdai Industrial Zone, Yunlong Town, Yinzhou district, Ningbo, China  Tel:8-574-88349266  Fax:86-574-88348985  Email: sales@nbyfjx.com