Why Us


We never stop improving our services, including development methodologies, engineering practices, management techniques and QA standards to enhance our team’s capabilities and increase customer satisfaction.



Commitment to Quality

  Passed ISO9001:2008 and ISO14001:2004

  Passive products are qualified according to Telcordia Standard

  Correction and Prevention measurement

  Advanced Equipment Support Production and Qualification

  Quality control and tracking in whole processing

  3rd party ROHS inspections 

  Engineer on-site working 

  Stable & master production technics 


Experience and Expertise

With more than fifteen-year extensive production and management experiences, GLSUN  has gained unmatched business and technological expertise. We leverage our large knowledge base to deliver solutions that meet customers' needs, business and budget expectations.


Customer-Focused Service

24/7 online order

A large Stock & Fast Delivery for standard products



Online service

 live:akikolovevr  Services