Tianjin hua opens company ltd. Is registered at the north of xiao namhe village, qiangwu town, west qing zhong zone, with the registration authority being the market supervision authority of the western qing zhong zhuang district of tianjin city, represented by the permanent army, operating in the form of fast doors, fast roll doors, stack doors, slide doors, industrial doors, pvc fold doors, soft door curtains, curtains manufacture, processing and sale; and hardware, electric machines, electronics, heating materials wholesale and retail. (projects subject to legal approval may not operate without the approval of the relevant department)