The Ethylene Project of Formosa Plastic Group, Beilun District, Ningbo Project was finished in 2007.

Our hot-DIP galvanized steel grating JG255/30/100, JG325/30/100 are used for the platform about 1200m2 & 90PCS of steel ladder was used to match.

We have completed many projects like this, mainly applied in power stations, chemical and refinery, plants of steel, paper and cement, phamacy, food processing, oil field, ect.

Ningbo Jiulong Machinery Manufacturing Co., Ltd is the second largest steel grating manufacturer in China. We have 7 running lines with yearly capacity of 50, 000tons. Jiulong grating has exported to more than 30 countries.

Founded in 1992, covering an area of 25,000 square meters and with workshop area of 18,000 square meters, NJMM has advanced equipments, full-fledged technology as well as rich manufacturing and management experience in press-welded steel grating area for many years. NJMM is among the few leading manufacturers who have the entire production process from bearing bar to galvanized steel grating. Now NJMM has owned six International advanced auto-pressed welding machines, and the annual production capacity of steel grating, stair tread, trench cover, stanchion and guardrail is over 50,000 tons, of which more than 30,000 tons are for export. NJMM markets its products mainly in North America, South America, Europe, Oceania, Middle East , Southeast Asia, etc. Its marketing and service scope has covered all provinces in China and Longta gratings are widely applied to lots of renowned projects at home and abroad, such as sightseeing walkway of Sydney port, .Beijing Olympic Games stadium, Chunxiao oil-gas filed of East China Sea, and Hangzhou bay bridge. 

Being an advanced unit of environmental protection,NJMM had got ISO9001-2000 Quality Management System Certificate in the year 2001 and complete inspection facility.NJMM can provide high-quality products for customers. NJMM always persists the idea of expending scale to reduce the cost and striving for develepmentwith quality these years.Owing to superior location and as the leading role pladed in steel grating area in China.NJMM sincerely promises to all customers at home and abroad,"we will try to satisfy our customers with top quality,good service and most competitive price."