The market-centric guiding ideology is the driving force for quality improvement, which can ensure that our flexible flange adaptor, flanged pipe, ductile iron fittings meets customer needs to the greatest extent. We can have a better understanding of market supply and demand before production, and through full information exchange, we can reduce our production cost and improve production efficiency. In the face of the fierce competition in the industry market, the company has introduced competition mechanism, paid attention to talent cultivation, selected talented professionals to important jobs, and greatly mobilized the enthusiasm of the staff. Our company insists on the business philosophy of "integrity, modesty, constancy and goodness". We strive for survival by quality and development by service. With our grand scale, strong technical force, complete variety, and professional service, we have won the recognition and support of the majority of users.
Sealed Manhole Covers
Description:
Loading pressure | Frame size(mm) | Clear opening(mm) | Depth(mm) | Unit Weight(kgs) |
B125 | 750 | 750 | 50 | 34 |
C250 | 750 | 570 | 100 | 44 |
Specification:
ductile iron; turning lock; with hinge and gasket;closed key hole; different decorative pattern is available



The professional talent team has greatly improved the company's ability of independent innovation and sustainable development, and our product quality and research and development ability have been influential in the Hinged Septic Tank Manhole Cover industry for many years. We are committed to the pursuit of long-term and mutually beneficial customer relationships and insist on providing customers with quality products and perfect services. Your opinions and suggestions will be a valuable source for our continuous progress.
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