Shanghai MuMu Building Materials Co, . Ltd specializes in designing, producing, selling and installing of staircases and railings. We are professional because of our dedication. Our engineers will design the most proper stairs in accordance with the conditions of your houses and your preferences. We will offer the free service of consulting, designing and cost estimates about our products. We sincerely provide you with satisfying service and high-quality products. We ensure you free maintaining service life-long.