Jinan chengjiang Industrial Trade co., Ltd, is a scientific research, production and sale of technology, professional aluminium doors and windows, aluminum plastic door curtain wall equipment, machinery and equipment in the glass with hollow in the development, manufacturing and sale. the company has more than 20 people and develop team and dozens of CNC processing equipment is to ensure high quality and production equipment which lay a solid foundation, vigorous build domestic lead the doors and windows, curtain wall processing facilities.