Shanxi ascent industrial co.,ltd located in Shanxi province. We own 10,000 square meters of workshop and warehouse to ensure the capacity over 20,000 tons per year. We are a professional manufacturer and exporter for manhole cover, grating, pipeline products, machining part, OEM part exactly according to international standard and customers' samples/drawings. We have automatic production line to ensure the capacity. We have a strict and complete quality control system. We already have ten years trading experience; the best quality and faith bring us the good market, such as USA, Canada, Brazil, Australia, UK, France, Germany, Italy, Spain, Dubai, Russia, Ukraine, Singapore. Up to now, we have exported our products to more than 100 countries, and enjoying good reputation from all over the world.