Our company is located in Shanghai, China. We are specialized in the design and manufacture of rotary damper and ruler tape. Our company has ten years' manufacture experience, and a professional design and production team, imported Japanese production and test equipment, so we can provide customers with any kind of rotary damper with high cost performance. We insist on the principle of "quality first, customer first", constantly in pursuit of product performance, high quality. Providing customers with more personalized services, we are your ideal partner.