1, long life: not afraid of acid and alkali corrosion, no rust, electrical insulation, wear resistance, durability.
2, good security: This product uses polymer composite material. After high temperature molding, because there is no use value of two times, with the characteristics of natural security.
3, convenient and beautiful: with the specifications of the product weight only 1/3 cast iron cover, has brought great convenience to the installation, inspection and maintenance, and according to customer requirements of various specifications and color products, even in the management, and beautify the city.
4, high precision: because this product is high temperature molding, seat seam small gap overcomes iron, cement cable trench cover "run, jump, sound and other issues, are widely used in the new plant, cable trench cover the distribution room.
Provide technical support to Ji'nan Wanshun Casting Industry Co. Ltd. of Shandong ductile iron manhole cover, for more details, please enter: http://www.kpp647.com, we will love to answer your questions.