Road workers building ( Fuzhou ) Co., Ltd. was established in 2001 , is a specialized trading company of large piping systems , main , ductile iron pipe , double-wall corrugated pipe , PE pipe , power pipe , ductile iron manhole covers, resin composite covers , drill rod dimensions cement covers the past decade, the company with the senior team, excellent skills , positioning itself in the district , has been recognized by the industry . The company has its own foundry , specializing in all kinds of gray iron, ductile iron castings . The company currently employs more than 100 people, including more than 20 professional and experienced foundry engineers, technicians and mold machining division . Various castings production capacity will reach 30,000 tons . Company under the municipal casting plant , mainly dedicated to the development and production of various grades of municipal engineering and gray iron ductile iron manhole covers , Manhole , the company's products in addition to ...[More]stic sales and live outside cities and towns . The company has passed ISO9001-2000 quality system certification. I adhere to the " quality first , customers first " principle, the use of resources, manpower and convenient transportation advantages of the region, with high-quality products, the best prices and the most enthusiastic service to win customer satisfaction .