china supplier of fiber optic products.
Optical Fiber Patch Cord
Optical Fiber Splitter
Optical Fiber Connectors
FTTA Patch Cord
Fiber Optic Attenuator
Fiber Optic Terminal Box
Fiber Optic Adapter
Fiber Optic Splice Sleeves
Optical Fiber Media Converter
Fiber Optic Splice Closure
Optical Fiber Connector Cleaner
Fiber Optic Odf
Fiber Optic Transceiver
Fiber Optic Cable
Wavelength Division Multiplexer
LC Uniboot
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Cost- efficient Production

Well-regulated production line conforming to ISO 9001 standard, everyone can be allowed to be on post after strictly training.

 One-Stop Manufacture


Quawin currently releases thousands of products such as notebook batteries & chargers, mobile phone batteries & chargers, DC/DV batteries& chargers, and Bluetooth devices.

Company strictly enforce the ISO9001 quality management system, companies with good facilities and qualified human resources management to ensure product quality stability and excellent performance; 



In order to maintain product performance and stability, and to achieve the level of the industrial standard, we execute incoming quality control, in-process quality control, and outgoing quality as the core processes of our quality system.


1.Incoming quality control:

  • Inspection of all incoming direct and indirect materials;
  • Adopt AQL 0.65 level II sampling plan for incoming material inspections;
  • Conduct sampling plan based on historical quality records;
  • On-site audits of all suppliers.

2.In-process quality control:

  • Real time process control for defective distribution;

  • Statistical process for control defective rates ;

  • Analyze first production quantity and quality to identify and evaluate process trend;

  • Unscheduled production line audit for continuous improvement.

3.Outgoing quality Control:

  • Adopt AQL 0.65 level II sampling plan to audit finished good products to ensure quality level up to specification;

  • Conduct system audit based upon production flow chart;

  • Storage database for all finished good products.

4.Reliability Test:

  • Perform reliability tests according to the quality standard for each product type and customers’ requirements;

  • Typical test processes include: inspect IL, inspect RL, changeability, ferrule end-face, vibration, tensile strength, low/high temperature cycling tests.