Inquiry about Manholes and Road Gratings

Our company works with import, consultation and sale of materials and elements for roads. I am interested in purchasing manholes and road gratings and would like to be informed about your production. The manholes and grates must be made of Nodular Cast Iron Production EN GJS 500 - 7, meet and have a certificate of Standard SIST EN 124 - 2: 2015, Load class D 400 or E 600, Standard SIST EN 1433, Standard ISO 9001 od 2015. The manholes must have a free - standing cover with a 120º slope during inspection and a safety limiter against the cover falling 90º, have a profiled channel and an EPDM rubber insert for noise attenuation, have a cover locking system or a screw system for screwing the cover, be protected from corrosion with ecological black paint on water - based, and can be with or without ventilation openings.