Hebei KAIDA Sealing Elements Co ., Ltd. Is a technological enterprise integrating the research , development and production of rubber products and sealing elements together with related products .It is located in xiaotun Industrial Zone , Qinghe County , Hebei Province and covers an area of 15, 000 square meters , including 10, 000 squre meters of buildings. There are 150 employees , among whom are over 20 technicians and eight senior engineers. The main products include gland strip for glass , machinery , vehicles and ships , panel walls , PVC-U steel doors and windows ;hot air rubber tube, F12 tube for air conditioning.