According to Municipal Construction Committee, responsible person, in 2012, the city Housing and Urban Construction Committee organized a city building energy and materials use and management of special inspection, and some varieties of materials used in the project were sampling. Among them, there are 10 groups of product testing after being deemed to have failed.

The 10 groups of building materials were shipped vapor seal Beijing through insulation waterproof material supply station, the Haitian earth drains Beijing Jing Cheng Yong Trading Co., Ltd., Beijing Building Materials Co. of Golden Shield Shield waterproofing membrane, Beijing Hengxin Tenda building underlying material center wall plaster, Beijing Chang Star Chemical Co. underlying plaster, plaster AIU Beijing Century Trading Co., Ltd., Beijing innovation innovation Electronics Co., Ltd. of the underlying plaster, Beijing Fu Sida building materials plant bottom wall plaster, underlying Beijing Zhoukoudian Xuefeng plaster building materials plant, as well as building materials factory in Beijing Lei Tung lightweight aggregate concrete hollow blocks.

It is understood that there substandard construction products, construction units have been carried out under the supervision of the Commissioner of rectification. If again found the existence of these companies supply substandard quality of construction materials behavior, should be severely dealt with according to relevant regulations, in serious cases, the law will restrict or prohibit their participation in city construction materials bid.