2012-2-15 16:43Qingdao Keli Building Materials Co., Ltd. specializes in the production of air-entraining agents, pumping agents, activators, etc. Our products are of guarante......
2012-2-3 20:3The products of Qingdao KeLi Building Materials Co., Ltd. have been listed by the Ministry of Construction as key products for promotion and have been widely u......