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Wusheng Boat Steel Manhole Cover Waterproof - China

price: contact company for price

Product description
Our company professional produces marine manhole cover.There are 5 types for clients to choose from, such as A, B, C, D and E.This product is mainly applicable to marine water-tight or oil-tight manhole cover but not to boiler and pressure tank.Based on the shape, it’s classified into oval and round.The oval shape is used more widely.Based on the tightness, it’s classified into oil-tight and water-tight.The difference between them lies in the material of sealed gasket.For oil-tight, oil-resistance rubber should be adopted while sea or fresh water-resistance rubber should be adopted for water-tight.Based on if the hole surface exceed or not after installation, it’s classified into exceeded or embedded.Based on the structure of exceeded manhole cover, it’s classified into 3 types, such as A, B and C.While for the embedded manhole, it’s classified into 2 types, such as D and E.
Executive standard
National standard:GB11628-89
Why Choose Wusheng
A. Excellent service before purchasing
Wusheng know what the best cost-effective products are. According to clients’ circumstances, we will
offer most suitable products for them.

B. Guaranteed quality
Most products which Wusheng offered are with high quality and also provide warranty to security benefits.

C. Rich experience and Customized Products
Wusheng has enormous resources of various marine equipment. All of our products are customized. We can
offer products according to your detail equipment and drawings.


Company Contact:


  • Phone: +86-523-84980650

  • Address: No. 28, North Second Ring Road, Chengbei Industrial Park, Jingjiang City, Jingjiang, Jiangwu , China

  • Email: Email


Published date: December 16, 2016 -

  • Business Description: Jiangsu Wusheng Technology Corp.,Ltd is a famous manufacturer specializing in the production of 3 kinds of steel products,such as: steel structure used in bridge steel products used in ship steel pressure vessel with less than 20mpa pressure. We have won good reputation all over the world for twenty years. Our quality and guarantee system are perfect and our company has been confirmed as one of the a few “AAA quality confirmed Firm” and “Famous Brand Products” by Jiangsu government. We have got dozens of certificates, such as CCS, LR, EN1090, GJB9001B-2009 for weapon equipment manufacturing quality management system, A2, ASME and so on. In order to ensure the high quality of products, we chose the best machines with the best CNC system to process the steels, such as: CNC press brake with DA66 imported from Netherlands, CNC plasma cutting machine, CNC hydraulic guillotine shear, automatic arc-submerging welder, etc.In addition, equipped monitoring equipment, such as optical spectrum analyzer, magnetic particle detector, tension tester, supersonic detector, X-ray flaw detector and exposure testing room. Each year, we participate several exhibitions, such as APM in Singapore, SMM in Germany, maritime exhibition in Indonesia etc. After the exhibitions, we are always invited by old clients to visit their companies and intended to establish a long-term cooperation. Our products have been exported to many countries worldwide,such as:United States,Singapore,Germany, Australia,Indonesia and so on. we wholeheartedly welcome all our clients and friends to visit our company.

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