Focus on windows and door industry many years in China we employ a qualified team of engineers, technicians, QA, QC, and sales staff and continuously strives to develop new and innovative concepts that not only improve quality but also enhances your property in appearance and function whilst providing better protection overall. Shandong Qishu Metal Product Co.,Ltd, covers an area of 30,000sq.m and has 180 skilled workers, who are experts in designing and manufacturing and kinds of windows and doors.Our main products are aluminum alloy system doors and Windows/flat open doors and Windows, aluminum alloy folding door/folding window, sun room, aluminum alloy folding up- window, endurance plate canopy/shed etc.,. "High quality & customer first" are always our constant pursuit. We look forward to long-term cooperation and mutual benefits.Our windows and doors are widely used in homes, villas, hospitals, schools, airports, shopping malls, etc.We always feel that all the success of our company is directly related to the quality of the products we offer. They meet the highest quality requirements as stipulated in ISO9001, BV, TUV, SGS guidelines and our stringent quality control system. We will always provide you with the best products and after sales service and will readily collaborate with customers requiring OEMs and ODMs to manufacture the best possible products. We will gladly evaluate your needs and recommend the system that is best for your requirements.