Princetel, Inc. Is an US manufacturer of fiber optic inter-connect products. Our four main product lines are rotary joints, electrical slip rings, active and passive components, polishing machines. The privately funded company was incorporated in the fall 2000 state New Jersey has been ...

Shenzhen Katexing technology Co., LTD is mainly engaged in the prospect of optical network physical connection communication products development consists three division: equipment, passive components, precision sheet metal machining, including product design, manufacture and sales. ...