Professional provider of metal pipe fitting solutions

Professional provider of metal pipe fitting solutions

Our company is a designated joint-venture enterprise under the China State Shipbuilding Corporation, and is a private enterprise specializing in the manufacture of metal piping accessories and marine valves made from copper-nickel alloys, red copper, titanium alloys, brass, stainless steel, and other materials.

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Specializing in titanium valve solutions for marine applications.

Specializing in titanium valve solutions for marine applications.

Our company is a designated joint-venture enterprise under the China State Shipbuilding Corporation, and is a private enterprise specializing in the manufacture of metal piping accessories and marine valves made from copper-nickel alloys, red copper, titanium alloys, brass, stainless steel, and other materials.

About us >>Send E-mail
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about Huajian

Shanghai Huajian Pipe Fitting Co., Ltd.

Our company is a designated joint-venture enterprise under the China State Shipbuilding Corporation, and is a private enterprise specializing in the manufacture of metal piping accessories and marine valves made from copper-nickel alloys, red copper, titanium alloys, brass, stainless steel, and other materials. We can produce according to customer requirements in accordance with standards such as GB, CB, DIN, JIS, and EEMUA, or based on technical drawings provided by the customer. Our products are widely used in the shipbuilding, offshore engineering, chemical, and refrigeration industries. Established in 1997, our facility covers an area of over 26,000 square meters, with a building area of approximately 11,000 square meters.

The company boasts a team of highly skilled technical professionals dedicated to the research and development of its products. All products are manufactured in strict accordance with the principle of “Quality First, Customer Supreme.” To date, our company has obtained certification under the Quality Management System as well as factory-type approval certificates from leading classification societies, including CCS, GL, BV, ABS, and LR.

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1997 年

The company was established in

30 +

Approximately 30 years of industry experience

26000 ㎡

Company land area

60 +

Company Qualifications and Honors

200 +

Company Product Categories

Product

PRODUCT Category

Specializing in metal pipe fittings and titanium valves for marine applications.

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SOLUTION

APPLICATION

Application Fields

Huajian products are widely used in industries such as shipbuilding, petroleum, chemical and nuclear industries, power generation, construction, papermaking, machinery, food processing, and environmental protection.

Shipbuilding field

Shipbuilding field

Huajian products are widely used in industries such as shipbuilding, petroleum, chemical and nuclear industries, power generation, construction, papermaking, machinery, food processing, and environmental protection.

Oil sector

Oil sector

Huajian products are widely used in industries such as shipbuilding, petroleum, chemical and nuclear industries, power generation, construction, papermaking, machinery, food processing, and environmental protection.

Chemical and nuclear industries

Chemical and nuclear industries

Huajian products are widely used in industries such as shipbuilding, petroleum, chemical and nuclear industries, power generation, construction, papermaking, machinery, food processing, and environmental protection.

Electricity sector

Electricity sector

Huajian products are widely used in industries such as shipbuilding, petroleum, chemical and nuclear industries, power generation, construction, papermaking, machinery, food processing, and environmental protection.

Architecture field

Architecture field

Huajian products are widely used in industries such as shipbuilding, petroleum, chemical and nuclear industries, power generation, construction, papermaking, machinery, food processing, and environmental protection.

Mechanical field

Mechanical field

Huajian products are widely used in industries such as shipbuilding, petroleum, chemical and nuclear industries, power generation, construction, papermaking, machinery, food processing, and environmental protection.

Food and Environmental Protection Field

Food and Environmental Protection Field

Huajian products are widely used in industries such as shipbuilding, petroleum, chemical and nuclear industries, power generation, construction, papermaking, machinery, food processing, and environmental protection.

OUR PARTNERS

Partners

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BLOG

BLOG & NEWS

Get real-time news and information from Huajian

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Surging high-end demand for copper-nickel alloys has made C70600 tubing the “golden material” for offshore engineering.

2026-04-10

Surging high-end demand for copper-nickel alloys has made C70600 tubing the “golden material” for offshore engineering.

In the first quarter of 2026, global demand for copper-nickel alloy (C70600/BFe10-1-1) in the offshore engineering and shipbuilding sectors surged by 42% year on year. As a flagship grade of 90/10 copper-nickel alloy, C70600 is favored for its outstanding performance—namely, an annual corrosion rate of less than 0.025 mm in 3.5% seawater, excellent resistance to biofouling, and high thermal conductivity—making it the material of choice for LNG vessel condensers, desalination units, and piping systems on deepwater platforms. Leading domestic manufacturers are operating at full capacity, with their products certified by classification societies such as DNV and ABS and exported in bulk to Europe and Southeast Asia. Industry analysts project that, driven by the expansion of the “blue economy,” the market for copper-nickel alloy tubing will exceed RMB 8.5 billion in 2026.
Red Copper Leads the Liquid-Cooling Thermal Revolution, with High-Precision Copper Strips Empowering AI Computing Centers

2026-03-02

Red Copper Leads the Liquid-Cooling Thermal Revolution, with High-Precision Copper Strips Empowering AI Computing Centers

With the power consumption of a single GPU exceeding 1,000 W, data centers have fully entered the liquid-cooling era, and red copper (TP2 oxygen-free copper) has emerged as the core material for heat-dissipation substrates thanks to its ultra-high thermal conductivity of ≥390 W/(m·K). In 2026, demand for high-precision red-copper strips is expected to grow by 58% year on year, primarily for cold plates and immersion-cooling components. Companies such as Jintian Shares are accelerating the establishment of production bases in Vietnam and Thailand, with a newly commissioned 30,000-ton-per-year project for high-precision red-copper bars dedicated to liquid-cooling systems for new-energy vehicles and AI servers. It is projected that red-copper demand in the liquid-cooling sector will reach 45,000 tons in 2026, driving the overall high-end copper-material market to surpass RMB 18.6 billion.
Surging aerospace demand for titanium alloys drives commercial rocket orders for high-end titanium materials exceeding RMB 5 billion.

2026-03-02

Surging aerospace demand for titanium alloys drives commercial rocket orders for high-end titanium materials exceeding RMB 5 billion.

In 2026, commercial spaceflight is poised to enter a period of explosive growth. As the “skeletal framework” of space applications, titanium alloys are used in quantities of 30–50 tonnes per large launch vehicle and 50–200 kilograms per low-Earth-orbit satellite. Domestically leading company Baotai Shares has secured aerospace titanium-material orders totaling more than RMB 5 billion for the 2026–2028 period, with production capacity fully booked through the end of 2027. Breakthroughs in additive manufacturing—specifically laser cladding combined with hot forging—have enhanced the performance of Ti-6Al-4V alloy beyond that of conventional forgings, enabling its use in the pressure-resistant hull of the “Fendouzhe” deep-sea submersible, where it has reduced weight by 40% and extended service life by 50%. Demand for aerospace-grade titanium alloys in the defense and space sectors is expected to grow by more than 50% in 2026.
Lead-free, eco-friendly brass accelerates penetration, ushering in a comprehensive upgrade of the building plumbing market.

2026-03-02

Lead-free, eco-friendly brass accelerates penetration, ushering in a comprehensive upgrade of the building plumbing market.

Driven by the tightening of global drinking-water safety regulations—such as U.S. AB 1953 and China’s “Standards for Drinking Water”—lead-free, environmentally friendly brass (with bismuth- or silicon-based substitutes for lead) is expected to achieve a penetration rate of 68% in the building plumbing sector by 2026. Data indicate that global annual demand for lead-free brass fittings stands at 894,000 metric tons, with an output value of US$24.3 billion, representing a compound annual growth rate of 7.9%. H62 and H65 eco-friendly brass rods are widely used in faucets, valves, and gas connectors, offering excellent machinability, corrosion resistance, and antibacterial properties. Domestically, Chinese companies already utilize recycled brass at a rate exceeding 50%, aligning with the “dual carbon” goals; it is projected that lead-free brass demand will surpass 1.31 million metric tons by 2031.
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