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What's app:0086 18620398002
Overstep is one of biggest agent for Dahua security and Zktec access control products.
And we are biggest wholesell company for underwater camera and Sewer Drain pipe camera.
All products will be send you after payment,and all products provide 1 year warranty.
Welcome you contact with us before your make order,some country we will advice cheaper shiping way and help you avoid tax!
Any old clients we will give more discount and any clients leave 5 Star feedback we will provide 18 years warranty!