About Us


Shenzhen Siwennai E-Commerce Limited Liability Company, established in 2015, is a professional trading company Specilized in cross-border e-commerce B2C business.

Main product Brand:  Se7enline,for 3C Product, cellphone accessories Product, laptop Accessories Product, outdoor sport accessories Product and more.

Cooperating with Third parties : EBAY, ALIEXPRESS, WISH , AMAZON, LAZADA

Pefect management system, standardized operation.

Coporate with steable fast logistics

About Se7enline

We created Se7enline with a single goal in mind: to make the smart life easier. That means starting with affordable, high-quality gear and ending with a commitment to 100% user satisfaction. After all, we're customers too.

100% Risk-Free Guaranteed

Our seller warranty guarantees that your purchase is 100% risk-free. If for some reason your purchase doesn't work,we will provide immediately Support. Se7enline is committed to 100% satisfaction of our customers. If you find any issue with the product, please feel free to email us. We will fulfill your request promptly, hassle-free. 


Company Culture:

Providing Staff with Relax, Harmonious Respective, Trust, Free working environment, rapid growth opportunities.Focus on teamwork, work side by side, develop together. 

Social responsibility is a part of Se7enline Culture, working for High quality and Better service is our long term goal. Promise never sell low quality and infringement product.