Jinan Shangjia industrial Co., Ltd., located in Jinan (China), is one of the professional manufacturers of window-door machinery in China. Our products mainly include PVC window and door machinery, alum. window and door machinery, PVC-steel complex window and door machinery and insulating glass machinery.We have an excellent team of excellent engineers and technical service advisors who have rich experience in products research & development and technique support. Since the establishment of Shangjia in 1999, we have been stressing on the principle of "credit enterprise, excellent machines". More than ten-year experience and excellent credit standing make us all along stand at the head of window and door machine field. Until now, we have exported to more than 20 countries with our qualified import and export right. We have gained a high reputation both at home and abroad while Shangjia Machine has become Chinese famous brand in the world. Clients need determines our effort direction and client satisfaction is what we are working for. Jinan Shangjia industrial Co., Ltd. will do all it can to assist you on your way to success.