Quality commitment:
Due to material defects, poor manufacturing, unreasonable design and other problems resulting in valve failure, we promise to use the product for 12 months or within two years of delivery for free replacement or maintenance. Due to material defects, poor manufacturing, unreasonable design and other problems resulting in valve failure, we promise to replace or repair the product free of charge within 12 months or 18 months after delivery.
Performance pledge :
We promise to respond to customer calls or faxes within 2 hours.
Aogong Zhejiang certification：
