Qingdao Huakai Marine Science and Technology Co,Ltd.(Qingdao Hailiya Group Co.,Ltd.),ounded in 1922,it is the first professional specai rope manufactory China.At present ,we have accumulated rich experience prodution appication of special ropes marine,military,industrial safety ...

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 escalator parts, we promise supply high quality parts for you professionally. In 2008, We set up our ...