Ningbo Jiulong Machinery Manufacturing Co., Ltd. is a professional manufacturer of steel gratings and related products such as trench covers, stair treads, steel ladders, handrails and stanchions etc. It was founded in 1992,locates in the port city Ningbo and covers an area of over 25,000 square meters. We own 3 advanced PLC controlled press welder product lines, as well as complete auxiliary processing equipment and testing facilities. We are strong in production and project technique as well designing customized products.Our annual output is over 15,000 tons. We are ISO9001-2000 certificated and our products are well sold worldwide because of the high quality and competitive price. All the company staff warmly welcomes your enquiry and visit.