Our service time:

Every Monday to Saturday morning from 08:00 to 20:00 is our working time. We will announce on the website in advance on legal holidays. Please contact us during our working hours, thank you!

Online message and reply to email:

Customers' online messages or emails are also an effective way to contact us. We will respond carefully to every message and letter. We will respond to your message or email within 24 hours, and there may be a slight delay if it is a weekend or a statutory holiday. Please forgive me!

At the same time, you can give us some comments and suggestions for our website and services, we will be very grateful!

Answer the answering line:

Normally, we work from 08:00 am to 20:00 pm, we have staff or duty staff to answer the phone, if it is a legal holiday may be unattended part of the time.

Customer service hotline:

When Changchen Industry provides customers with quality products, it also provides various technical consultations and perfect after-sales services related to the products.

We promise that we will process and respond to the first time after receiving complaints from customers.

Service Hotline: 400-886-3068