1----Anti-theft: Cover and base frame integrate connection, hinge-type opening, sledgehammer hit not break it, completely anti-theft.
2----Load-bearing great: The toughness of ductile iron is fourfold that of ordinary cast iron, close to steel materials, suitable for all kinds of road use!
3----Corrosion resistent: Sewer internal environment complex, filled with various chemical substances, ductile iron does not suffer chemical corrosion, service life more than 30 years.
4---- Opens conveniently: Light weight, single unarmed can be open, convenient downhole maintenance!
5----Superior safety performance: It often occurred underground explosion accident, fly up covers scarred passers-by, manhole covers integration connections will not depart from the ground.
Zhangshui Company Established in 2003, it specializes in manufacturer of cast iron products, such as grills, submersible water pump, parts of water pump. Manhole covers, gully grate, bench leg, surface box, and other OEM products. Our business has grown rapidly. We are enjoying a great reputation in the world market. We export more than 3000 tons of castings annually, and we have been exporting 90% of our output to Africa, Algeria, Dubai, Panama, . Iraq and the Middle East since our inception. We have established a favorable reputation in our export regions.
We have advanced production and inspection equipment, such as induction furnace, chemical analysis equipment, hardness testers, and tensile strength machines, machined equipment and etc.
We produce various classes of castings in grey iron, ductile iron. These castings are intended for construction and engineering use. The weights of castings range from 2 kilograms to 300 kilograms.
We have strict quality system with certificates of ISO9001, EN124.
For the cast iron manhole covers and gully grate, all the casting moulds are aluminium.
We can make from class A15 to D400 according to the customers'sample or requirment. Due to our consistent quality standards and competitive prices.
Quality, quick service, and competitive prices are our focus and principles. We aim to meet the needs of all customers by providing them with excellent products with the combination of the best quality, excellent service, competitive prices and innovative designs.
If you have any questions, please visit our website or contact us directly with your questions or inquiries. We have confidence that you can get a satisfactory answer here. We hope to have the opportunity of working together with your company soon.
