люков из нержавеющей стали крышки крышки / слива

1.Stainless steel manhole covers and rain gratings are new productions that our company research and develop independently. We have independent technique.The products are Produced strictly according to design technology and use the high strength stainless steel plate for parent metal.The products look beautiful and exquisite and have high load capacity,they are strictly produced according to standard of producing cast iron manhole covers. The quarlity of the products is stable and reliable over a long period of time. Their service life is long, after repeated test, the life lenth of the manhole cover is more than 30 years.It as well can be designed according to different environments. The product quality satisfies standards of technical. The products perform well, we have cooperate with zhujiang property company and wanke property company using them. They are generally used outside high-end villa and top grade office building. After years of use the product quality is stable. Property Developers give the product a positive criticism. 2.Specification : square700*700, square 800*800 square900*900, square 1000*1000 (design and produce heterogeneous type products according to your specific requirements). 3.Load capacity : Minimum load capacity is 25 tons,the general load capacity is 25 tons,35 tons,42 tons.In addition, we are able to produce manhole covers that maximum load capacity is 100 tons according to the needs of our clients.