Since March 2017, Tongzheng have been trying the PPR products in some areas to complete after-sales service. If you buy with PPR is environmental protection series products, superior resistant to series PPR products, you can enjoy our free services such as water supply pressure test, pipeline video copy CD, after-sale guarantee product quality and service content (part of the product line video file saved in 70).

In order to guarantee the service concept of nearby service and quick response,Tongzheng sets up service station in each sales area to provide quality and convenient service for the terminal owners. At present, this service has covered most of our sales area. Owners can contact us through multiple platforms, booking services. Official areservation: m.lermonda.cn; Telephone reservation: 400-801-6060; WeChat reservation: scan the qr code below.