The registration address of hebei window and window construction ltd. Is located in the southern district of the kunchu development zone, hebei province, at a distance of 100 metres. The registration authority is the market supervision authority of renchu city, with legal representatives acting in self-defence. The activities include general projects: manufacturing of doors and windows; sale of doors and windows; wholesale distribution of hardware products; sale of insulation and soundproofing materials; sale of metal materials; sale of sealed fillings; technical services, technology development, technical advice, technology exchange, technology transfer, technology promotion. (in addition to projects subject to authorization under the law, the operation of the business is carried out autonomously under a licence)