About Us
Who We Are？
Our story
Your Reliable Power Supply Partner in Shenzhen
Mackertop (Sibaite Electronics) is a leading high-tech enterprise located in Shenzhen, China. We specialize in R&D, manufacturing, and sales of laptop replacement chargers, adapters, and power banks.
With over 10 years of industry experience, our 5,000+ sqm factory is equipped with advanced automated production lines and strict QC systems. We serve global distributors, wholesalers, and brands with high-quality OEM/ODM solutions.
Inside Our Factory
Strict Quality Control Standards (IQC, IPQC, OQC)
Our 8,000m² facility is equipped with advanced automated SMT lines and wave soldering machines. Every laptop charger undergoes a 4-hour 100% full-load aging test before packaging to ensure a defect rate below 0.3%.