NaiFuLong Group Co.,Ltd.
Self-declaration of product quality and service quality

Quality commitment:
Due to material defects, poor manufacturing, unreasonable design and other problems resulting in valve failure, we promise that the product is used for 12 months or within two years of delivery responsible 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 of delivery.
Service commitment:
We promise to respond within 2 hours after receiving a customer call or fax.