From Bitumen Black to Epoxy Blue: Why Export-Grade Ductile Iron Manhole Covers Are Choosing Epoxy Coatings

Classification：Company news
Release time：2026-05-12
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VALUEUP GROUP

Contact information

  • Telephone：0086-18632165669
  • Email：kevin@kingmetal.cc
  • Address：Zhongheng Building, Chang’an District, Shijiazhuang City, Hebei Province, China

VALUEUP GROUP

 The VALUEUP GROUP is an international industrial group consisting of three manufacturing facilities and two sales companies: Valueup International Limited registered in Hong Kong and Hebei Lanwei Imp. & Exp. Co., Ltd registered in mainland China. Its core factories include Hebei Kingmetal Flange and Fitting Manufacturing Co., Ltd. ,Handan Lanwei Machinery Manufacturing Co., Ltd. and Hebei Wayup Industry Co., Ltd.
By integrating our manufacturing strengths, we specialise in the R&D, production and global distribution of ductile iron manhole covers and grating, steel flanges, carbon steel pipe fittings and malleable iron pipe fittings, precise-process machining products. Through rigorous quality control, efficient production and a streamlined supply chain, we provide reliable infrastructure products for municipal engineering, petrochemical and water conservancy projects.
Guided by the philosophy of 'Value in Quality, Growth in Partnership', we are committed to becoming a trusted global partner in industrial products.

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  Telephone：0086-18632165669

 Email：kevin@kingmetal.cc

 Wechat：0086-18632165669

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