4U - China Manufacturers, Factory, Suppliers

We have a highly efficient team to deal with inquiries from customers. Our goal is "100% customer satisfaction by our product quality, price & our team service" and enjoy a good reputation among clients. With many factories, we can provide a wide range of 4U, Fiber Optical Adjustable Attenuator , High Density MTP-LC Cassette , Polarization Maintaining 24Fibers MPO Patch cord , If you need any of our products, or have other items to be produced, please send us your inquiries, samples or detailed drawings. Meanwhile, aiming to develop into an international enterprise group, we look forward to receiving offers for joint ventures and other cooperative projects.