Beijing Delfa Optoelectronics Inc. is a leading Chinese supplier of advanced optical components, serving the opto-electronics and R&D markets. Delfa has been designing and manufacturing both s...

103-1#, BUILDING NO.8, JIN GANG INTERNATIONAL NO.19,WEST DAWANG ROAD, CHAOYANG DISTRICT, BEIJING, CHINA

Beijing Xinao Hengan Electromechanical Equipment Co., Ltd. established in 1999.We mainly devote ourselves to producing, designing, developing and selling all kinds of elevator components and escalator...