With over thirty years of experience in ship repair & construction, offshore engineering, rudder blade works, hatch cover works, dock works and marine crane manufacturing, we serve numerous shipyards and offshore engineering companies at home and abroad.

Since its founding, Dalian Xinruihua Marine Auxiliary Machinery Co., Ltd. has undertaken ship repair & construction, offshore engineering, rudder blade works, hatch cover works, dock works and special coating projects at shipyards at home and abroad, covering a wide range of vessel types and offshore projects such as 150,000-DWT crude oil carriers, 300,000-DWT crude oil tankers, 5,600-TEU large container ships, semi-submersible drilling rigs and JU2000 drilling rigs.
The company boasts strong technical and equipment capability, robust production capacity and a seasoned workforce, capable of building vessels in accordance with the rules, standards and international conventions of classification societies from more than ten countries including China, Norway, the United Kingdom, the United States, France, Germany and Japan.
Covering offshore engineering structures, marine cranes, marine auxiliary fittings and welding & cutting equipment trade, we provide one-stop marine equipment and services.
Offshore EngineeringFabrication of large offshore structural components such as hatch covers, spud cans, cantilever beams, jacking foundations, living quarters and spud leg maintenance.
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Marine CranesFixed-boom and various marine cranes; since the first unit in 2006, about 800 units delivered cumulatively, covering almost all classification societies.
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Auxiliary & FittingsRudder blade manufacturing, hatch cover works, marine auxiliary machinery, component manufacturing & assembly, overweight equipment fabrication, machining and ship coating.
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Equipment TradeCNC cutting machines, automatic welding, welding equipment and consumables; authorized agent for brands such as 开元, 华威, 华恒, 焊神, 凯尔达.
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EnvironmentalWelding fume purification, grinding dust removal and waste gas treatment equipment, supporting green and safe production.
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Tools & ConsumablesSafety protection, power tools, welding & cutting tools, pneumatic tools; representing brands such as 德国优维斯, 东城, 博世, 日出.
View details → →Over three decades of growth, from single ship repair & construction to a group covering offshore engineering, marine cranes and auxiliary fittings.
Xinruihua's predecessor, starting in ship repair & construction.
Predecessor of Puwan Heavy Industry; the first marine crane went into production the same year.
Business extended to supporting equipment manufacturing, with a continuously growing team.
Group-based development; about 800 marine cranes delivered cumulatively, covering almost all classification societies.
Long-term service to numerous large shipyards and offshore engineering companies at home and abroad, earning consistent praise.
Stay updated on Xinruihua's latest developments and industry news.

The company's official website has been comprehensively redesigned and upgraded, presenting our strength, products and services in a new image.

The “北部湾桂林” vessel has been delivered into service, witnessing the development of China's shipbuilding industry and the Port of Dalian.

Demand for environmental protection equipment keeps growing, supporting green manufacturing and sustainable development.
Built on quality, witnessed by honor.

GB/T 19001-2000 idt ISO9001:2000 Issued by China Quality Association Quality Assurance Center

Granted by Dalian Administration for Industry and Commerce

Granted by Pulandian General Trade Union · 2010

Granted by the Fengrong Sub-district Committee of the CPC · 2011