Hongda Factory  is located in Huzhou City, Zhejiang Province. We have been specialized in all kinds of manhole cover & SMC Raw materials  for over twenty years.
According to different needs from different customers, our company offers a variety of different kinds  for the manhole covers，SMC and grating . We produces high-strength composite material and ductile iron manhole and grating, other road facilities and SMC products. With such advantages as anti-theft, environmental protection, energy saving, noise reduction, light and beautiful styles and lifelong survival, our high-strength composite covers and other Products have won the trust of our customers. At the same time, our good ductile iron and cast iron manhole covers, with such features as high-strength, anti-corrosion, high temperature resistance and compression performance, have won the majority of users’ acceptance.

Main characteristics of our products: high strength, strong toughness, not easy to destroy, acid and alkali corrosion resistance, no aging, pressure resistance, bending resistance, deformation resistance, non-toxic, harmless, no theft risk, new materials with good technology, green environmental protection, saving resources, new appearance, rich color, can be classified according to the need, coloring, high cost-effective products, long service life

Since our products were put on the market, the outstanding products, with excellent quality, excellent performance, novel appearance, perfect service, won the local municipal management departments and the vast number of builders alike.

Our company is in happy work and is dedicated to our concept of “service”. We sincerely hope to establish friendly cooperation relationships with our old and new customers.