Provide the factory inspection certificate of this product.
Provide the instruction manual and test report of this product.
After-sales policy with a minimum of one year warranty.
After receiving the user's fault information, respond within 24 hours and solve the problem immediately.
Regularly visit customers and humbly accept their suggestions for quality improvement.
Produce devices with various performance indicators according to customer requirements.
We are welcomes domestic and foreign optical enterprises, communication equipment manufacturers, and system integration enterprises to visit and negotiate, establish cooperative relations, and seek common development.
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