China’s PPGL coil makers supply much of the coated steel used across global construction and manufacturing. Their products blend aluminum, zinc, and paint coatings for long-lasting color and corrosion protection. These companies have become leaders in producing reliable, high-performance steel for projects of every scale.
A PPGL coil is a steel sheet coated with an aluminum-zinc alloy and finished with paint for extra protection. The coating helps it resist rust, heat, and wear, even in harsh weather. It’s often used for roofing, wall panels, and other building materials that need both strength and a clean look.
Company Name | Year Founded | Country |
Baoshan Iron & Steel Co., Ltd. (Baosteel) | 2000 | China |
HBIS Group | 2008 | China |
Shandong Sino Building Material Group Co., Ltd. | 1989 | China |
Zhaojian Steel | 2010 | China |
COSASTEEL | 2016 | China |
Shandong Heng Steel Group Co., Ltd. | 2009 | China |
Hengze Steel (Tai’an Heng Ze Steel Company Limited) | 2009 | China |
Zhongli (Shandong) Steel Group Co., Ltd. | 2021 | China |
Winroad Steel | 1994 | China |
Rogo Industrial (Shanghai) Co., Ltd. | 2013 | China |
Baoshan Iron & Steel Co., Ltd. (Baosteel)
Year Founded 2000
Main Products
- Prepainted galvanized steel coils (PPGI)
- Prepainted galvalume steel coils (PPGL)
- Hot-rolled steel coils
- Cold-rolled steel coils
- Galvanized steel sheets
- High-strength structural steel plates
- Electrical steel sheets
- Stainless steel products
- Special steel products
- Tin-plated steel
Shanghai‘s where you’ll find Baosteel, running things as China Baowu Iron and Steel Group’s main player. They got going in February 2000, then hit the Shanghai Stock Exchange by December that same year.
When people talk about competitive steel companies worldwide, Baosteel comes up. They’ve got plants scattered around. Shanghai, Wuhan, Zhanjiang, and Nanjing – that’s where the action happens.
Chinese PPGL coil production? Baosteel’s got a big piece of that pie, focusing on pre-painted galvalume steel. The aluminum-zinc alloy coating on these coils is what does the trick. It fights off corrosion and holds up over time.
They were among the first in China to get serious about color-coated sheets at scale. You can get their PPGL coils anywhere from 0.3mm to 2.0mm thick. Width-wise, they go from 900mm to 1550mm.
Want polyester? They’ve got it. Fluorocarbon? That too. Products like these work in rough conditions for years. Baosteel sticks to ASTM and JIS standards, which is why people trust them globally.
HBIS Group
Year Founded 2008
Main Products
- Prepainted galvanized steel coils (PPGI)
- Prepainted galvalume steel coils (PPGL)
- Galvanized steel coils and sheets
- Galvalume steel coils and sheets
- Cold-rolled steel coils
- Hot-rolled steel plates
- Color-coated roofing sheets
- High-strength structural steel
- Automotive steel plates
June 30, 2008 – that’s when HBIS Group kicked off in Shijiazhuang, up in Hebei Province. Here’s what happened: Tangshan Iron and Steel Group shook hands with Handan Iron and Steel Group. Boom – one of China’s biggest steel operations was born.
These days, HBIS carries weight in China’s coated steel scene, particularly with PPGL coils. Hansteel does the heavy lifting as their subsidiary. Been around since 1958, that one. Got 18,000 people churning out 11.05 million tons a year.
Pre-painted stuff – both galvanized and galvalume – keeps them busy across different sectors. The PPGL line uses aluminum-zinc alloy substrates that pack a punch. Pick your coating. They’ve got dedicated lines just for the color-coated materials.
Working with PPG, Beckers, and Valspar keeps quality consistent. PPGL coils? Usually 0.2mm to 1.5mm thick, nice and precise. Their double-coating, double-baking roller setup gives you adhesion that lasts.
Shandong Sino Building Material Group Co., Ltd.
Year Founded 1989
Main Products
- Prepainted galvanized steel coils (PPGI)
- Prepainted galvalume steel coils (PPGL)
- Galvanized steel coils and sheets
- Galvalume steel coils and sheets
- Cold-rolled steel coils
- Corrugated steel roofing sheets
- Tinplate coils and sheets
- Hot-rolled steel plates
Down in Qingdao, Shandong Province, Shandong Sino Building Material Group runs a solid PPGL operation. Over 300 workers spread across 100,000 square meters. Annual sales? Somewhere around $900 million.
They make steel and they sell steel.
Local Chinese buyers know them well. But exports? Those go to more than 150 countries. Pretty much everywhere, actually.
PPGL coils keep the lights on here. Hot-dip galvanizing meets color coating in their process. Their UEC hot-dip line pumps out 320,000 tons a year.
People around the world recognize UEC as reliable tech.
Standard PPGL runs 0.15mm to 1.5mm thick. Most orders want 800mm to 1250mm wide – covers a lot of ground.
They’re serious about their coatings. High-grade polyester, silicon-modified versions – whatever works. ISO9001, CE, SGS – they’ve collected all the paperwork.
Zhaojian Steel
Year Founded 2010
Main Products
- Prepainted galvanized steel coils (PPGI)
- Prepainted galvalume steel coils (PPGL)
- Galvanized steel coils and sheets
- Galvalume steel coils and sheets
- Zinc-aluminum-magnesium coated sheets
- High-aluminum aluminum-zinc-magnesium plates
- Cold-rolled steel coils
- Color-coated roofing sheets
- High-strength structural steel plates
- Eternovo high-performance color-coated products
Zhaojian Steel sits in Shengfang Economic Development Zone, Bazhou City – right in the middle of Beijing, Tianjin, and that new Xiongan area. Great spot for moving product around the country.
Started with 100 million RMB, now they’re looking at 2.59 billion RMB invested. Annual capacity? 3.2 million tons on paper. It’s a private outfit mixing R&D, manufacturing, and sales.
PPGL coils are just one piece of what they do. Color-coated products alone hit 800,000 tons each year. Three lines cruise at 150mm/min for the coating work.
What makes these lines special? Roller pressure sensors, dual-coating dual-drying – the works. They check film thickness on the fly. U-type coating heads, temperature-controlled paint systems – it’s all there.
Protective film goes on at the end. Quality checks happen with stroboscopes before anything ships. Everything threads, winds, and coils without someone babysitting it.
The Eternovo brand came from wanting something better. They dumped money into making 55A12Mg plates with tons of aluminum. We’re talking 53-55% aluminum content. Add 1-2% magnesium and corrosion doesn’t stand a chance.
Get Zhaojian’s PPGL between 0.2mm and 1.2mm thick, 914mm to 1250mm wide. Their lab tests everything. Eternovo includes some interesting stuff – antibacterial coatings, anti-static versions, heat reflection.
COSASTEEL
Year Founded 2016
Main Products
- Prepainted galvanized steel coils (PPGI)
- Prepainted galvalume steel coils (PPGL)
- Galvanized steel coils
- Galvalume coils
- Aluzinc coils
- Color-coated steel coils
- Cold-rolled steel coils
COSASTEEL started up in 2016 in Zibo City, Shandong Province, and didn’t waste time making a name in prepainted steel. Fresh face, but they play with the big boys now. Metal construction is their thing.
Keeping customers happy means having the right production lines. Sales folks know their stuff too. They’ll walk you through everything, before and after you buy.
For PPGL and PPGI, they team up with PPG, Beckers, Valspar, Nippon Paint – helps them hit those durability targets. Seven lines keep the PPGL coming.
They can do Z275 galvanized or AZ150 galvalume. Not many places go that heavy on coating weight.
Everything stays within spec – dimensions, zinc coating, all of it. Paint thickness? No corners cut there. Want to test a sample first? Free of charge.
Shandong Heng Steel Group Co., Ltd.
Year Founded 2009
Main Products
- Prepainted galvanized steel coils (PPGI)
- Prepainted galvalume steel coils (PPGL)
- Galvanized steel coils and sheets
- Galvalume steel coils and sheets
- Cold-rolled steel coils
- Color-coated roofing sheets
- Steel strips
Tai’an‘s where Shandong Heng Steel Group set up shop back in 2009, focusing on PPGL coils from day one. Big operation – we’re talking 26 billion RMB across 780 acres of land.
1,500 employees keep 500,000 tons moving annually. Good infrastructure meets organized management here. ISO9001 and ISO9000? Yeah, they’ve got those.
PPGL coils lead the charge, though they’ve got galvanized and cold-rolled options too. Pre-painted galvanized coils, check. Roofing sheets with galvanized finish, check. GL galvalume and PPGI versions round things out.
Domestic sales stay strong while exports keep growing. Shipments reach over 100 countries now. Europe, the States, Southeast Asia – major PPGL destinations for them.
Hengze Steel (Tai’an Heng Ze Steel Company Limited)
Year Founded 2009
Main Products
- Prepainted galvanized steel coils (PPGI)
- Prepainted galvalume steel coils (PPGL)
- Galvanized steel coils and sheets
- Galvalume steel coils and sheets
- Cold-rolled steel coils
- Color-coated roofing sheets
- Galvanized roofing sheets
Since 2009, Tai’an Heng Ze Steel has been making PPGL coils in Tai’an, Shandong Province for buyers everywhere. They rank pretty well among Chinese steel makers. International markets know their capabilities.
The product line covers all the bases – color-coated, galvanized, cold-rolled, galvalume coils.
PPGL coil work is where Hengze really shines. Good processes, tight quality control. Multiple lines handle the prepainted galvanized and galvalume production.
Construction needs one thing, roofing needs another, containers something else – they cover it all.
Need something specific? They’ll adjust thickness, width, coating type, surface finish – whatever you’re after.
That ISO9001 certification means something for a Chinese PPGL maker. Exports have gone to Europe, the U.S., Southeast Asia. Meeting international specs isn’t theoretical for them – they do it daily.
Zhongli (Shandong) Steel Group Co., Ltd.
Year Founded 2021
Main Products
- Prepainted galvanized steel coils (PPGI)
- Prepainted galvalume steel coils (PPGL)
- Galvanized steel coils and sheets
- Galvalume steel coils and sheets
- Stainless steel pipes and plates
- Stainless steel coils
- Stainless steel round bars
- Stainless steel square tubes
- Steel angles
- Stainless steel channels
Jinan‘s got Zhongli (Shandong) Steel Group, officially exporting since 2021 though they’d been in the game 15 years before that. All that experience matters when you’re shipping steel.
Liaocheng and Wuxi handle production. Makes sense – those cities basically run China’s steel scene.
PPGL coils are their specialty, but stainless and galvanized options fill out the catalog. They make prepainted galvanized coils, cold-rolled prepainted galvalume types (your SGCC, SGCH grades).
Multiple PPGL lines handle different specs. Various thicknesses, widths, coatings – depends what you need. Construction crews buy from them. So do car makers, electrical contractors, mining operations.
Exports hit Europe, America, Southeast Asia, Middle East markets. Take their AZ150 hot-dipped galvanized coils – just one example of what they can do. Fifteen years of doing business internationally builds credibility.
Winroad Steel
Year Founded 1994
Main Products
- Prepainted galvanized steel coils (PPGI)
- Prepainted galvalume steel coils (PPGL)
- Galvanized steel coils and sheets
- Galvalume steel coils and sheets
- Cold-rolled steel coils
- Steel strips
- Metal roofing materials
- Galvanized roofing sheets
- Corrugated steel sheets
Bazhou Winroadsteel has called Bazhou City, Hebei Province home since 1994, making them old-timers in China’s PPGL coil business. Coming up on thirty years now. That 600,000-square-meter facility keeps over 1,000 people busy.
About 300 of those are technical folks who know the equipment inside out. Three decades teaches you things about the market.
PPGL coils are Winroad’s thing, though galvanized, galvalume, and cold-rolled steel keep the variety going. Six lines run PPGL/PPGI production.
Four lines each for galvanized and galvalume, plus ten for steel strips. All told? 2,600,000 metric tons capacity yearly. Four subsidiary companies work under the main umbrella.
Exports go through AUTHENTIC (TIANJIN) I AND E LTD at Tianjin port.
They’ve got ISO9001:2015 and ISO14001:2004 backing their PPGL operations.
Thickness ranges from 0.12-2.0mm on PPGL products. Widths? 762-1250mm, coating weights AZ30-AZ180g/m². The prepainted galvalume uses sophisticated coating techniques. Double-coating double-baking roller tech – that’s what gives the staying power.
Rogo Industrial (Shanghai) Co., Ltd.
Year Founded 2013
Main Products
- Prepainted galvanized steel coils (PPGI)
- Prepainted galvalume steel coils (PPGL)
- Galvanized steel coils and sheets
- Galvalume steel coils and sheets
- PCM sheets
- VCM sheets
- Color-coated steel coils
- Cold-rolled steel coils
- Metal roofing materials
Shanghai‘s business energy suits Rogo Industrial perfectly – they’ve been exporting since 2013. J.X.Y Group owns them. The parent company goes back to 2007. Everything from design to sales happens in-house.
J.X.Y Group matters in China’s coated steel world. Five color-coating lines stay busy. Three hot-dip galvanized setups add more. Plus one galvalume line – altogether 1.4 million tons yearly.
Rogo itself concentrates on PPGL coils. PPGI, galvanized, galvalume steel flesh out what they offer. Their own facilities push out 2,000,000 metric tons annually.
ISO9001, ISO14001, OHSAS18001 – the whole certification package.
As a PPGL producer, Rogo offers 0.12-2.0mm thickness on prepainted sheets. Widths? 600-1250mm. Coating choices include PE, SMP, HDP, PVDF.
They meet Philippine standards, among others. From roofing to appliances, applications vary widely. PPGL comes in different colors, finishes too – matte, wrinkle, printed, take your pick.
Conclusion
PPGL coils are known for their strength, durability, and smooth finish. They help protect buildings and products from the elements while keeping their color and shape over time. As demand grows, they remain a key material for modern construction and design.
