It varies from different manufacturers who adopt different technology and work with different raw materials suppliers. In order to ensure the quality of olt optical line terminal, it is necessary for a professional manufacturer to put necessary investment into raw materials selection before production. Except the well-selected material, the manufacture cost on it including especially high technology, labor investment, advanced equipment cost and so on is indispensable as well.

For decades, transmission equipment has been produced in an efficient and professional manner through Yantai yunpan international trade Co.,Ltd.. YUNPAN's epon onu series contains multiple sub-products. YUNPAN switch equipment is produced under a series of stringent procedures, including ultrasonic welding and soldering, electrode coating, cell assembly, in-house testing, and cell cycling and inspections. It is made in compliance with RoHS and WEEE environmental standards. The product of YUNPAN will not emit damaging ultraviolet ray which may cause the aging of some sensitive materials, such as artworks. Thus, it's a secure illumination product. The product can provide carrier-class security guarantee.

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