Product introduction

1. The anti settlement well cover has environmental protection and no noise. This product is environmental protection and no noise. The plate and frame are processed by lathe, so that the plate and frame can match 100%

2. High load capacity. This product has a load capacity of 360kn, 600kN and 900kn.

3. Strong anti-theft ability

The anti-theft performance of this product is better than that of other products on the road

4. Long service life. The anti-theft and anti noise setting of the product is firm and durable. Functions and features: nodular cast iron has high strength and good toughness, so the nodular cast iron well cover is about 30% lighter than the same type of gray cast iron well cover. The grade of nodular cast iron is QT500-7, the temperature of hot metal out of furnace is not lower than 1456 ℃, adding rare earth silicon iron magnesium alloy and selecting coke with low sulfur content during nodularization treatment, and the nodularization grade is above grade 3.