The registration address of hebei muring gate and window technology ltd. Is located in the western region of the indigo district economic development zone, hebei province. The registration body is the indigo district market supervisory authority, represented by a legal person representing the song national army and operating in other technical extension services. Technical development of door and window technology, technical services, technical advice, technology transfer; metal doors and windows, aluminium alloy doors and windows, aluminium wooden doors and windows, alloy doors, plastic steel doors and windows, fireproofing doors, installation, construction; engineering survey design, installation and maintenance (project subject to approval by law, operation only with the approval of the relevant department)