Lianyungang HaiZhou ChenSheng Optical Instrument Factory

       Attn：Mr. Ruan Changwen

       Zip：222006

       Tel：0086-5185250762,5048666

       Fax：:0086-518-5048555,2325196

       URL：www.hcgoptical.com

       EMAIL:info@hcgoptical.com