About Changyu

Changyu focuses primarily on high performance products and maintains a stringent quality control process, the products are used in the IOT, navigation, fleet management systerm, controlling and telecommunication industries, which is needed in hospital, bank, School or other institution where performance, reliability and durability matter.

Quality Control

Material

We choose the mterial strictly and cooperates with our suppliers for years.

Produce & Test

The production are managed in different steps and 100% test before shippment.

Package

All the products are packed in 5 layer cartons to protect them well. Shipping pictures and tracking numbers are provided.

Why Choose Us

Instant Response

Welcome to contact via email, phone, SNS any time. We will response within 24 hours.

Professional Team

We have experience in telecom field over 10 years,  if you have any problem in weak signal, please feel free to contact us any time. 

OEM Available

OEM service is acceptable, welcome to show your requirement, we’ll try to meet your demands.

Quality Control

Each products are controled from the raw material,we do 100% test in every product line and final test before delivery.

Quick Shipping

Oders are always finished within the lead time provided, some items could be sent within 7 days.

Flexible Cooperation

We can help clients to start their telecom business, no matter you are big company or retailer, welcome to have a cooperation opportunity.

Purchasing Steps

Customers choose any item interested then send inquiry to us, our salesman will response in one day. If the quotation is satisfied, samples will be provided for the test. When samples confirmed, customers place the final order and arrange the payment. 

After the goods finished, we will notify the customers and arrange shipment. Goods could be sent via air express, train transportation or by sea.

Ask For A Quick Quote

We will contact you within 1 working day, please pay attention to the email with the suffix “@cyantenna.com”