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Top 10 Steel Grating Manufacturers in South Korea

Top 10 Steel Grating Manufacturers in South Korea

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South Korea is one of the leading countries in steel grating manufacturing, with dozens of companies offering a wide range of products. Finding the best steel grating manufacturers in South Korea can be challenging as all companies have their strengths and weaknesses.

To help you, we’ve put together a list of the top 10 steel grating manufacturers based on quality, customer service, value for money, and other factors. These companies have established themselves as leaders in producing high-quality steel gratings in South Korea. They have a long history of providing reliable products to customers from various industries like transportation, construction, mining, engineering, etc.

Each company has built a strong reputation for delivering top-notch products that meet exacting standards while keeping prices within reach. In addition to quality gratings, these companies also provide design services to ensure customers get exactly what they need. Their technical experts can customize steel gratings, so they perfectly match unique requirements and applications. All the manufacturers listed here are dedicated to providing superior products, excellent customer service, and competitive pricing.

These steel gratings provide superior structural support and slip resistance for pedestrians and other users. With impressive product lines delivered by experienced professionals who always put customers first, these producers will continue to be leaders in supplying superior quality gratings for years ahead. Read and check!


Website: http://www.sangjin.com/en/index.html


Type of Business: Grating Manufacturer

Location (Headquarters): Ansan-si, Gyeonggi, Korea

Year Established: 1969


Sangjin is a leading manufacturer of specialized Grating products based in South Korea and was established in 1969. With over 50 years of experience in the industry, Sangjin has earned the trust and loyalty of customers around the world with its high-quality products and commitment to innovation.

Sangjin operates from its state-of-the-art production facility, located outside of Seoul. This world-class facility is equipped with the latest technologies and features advanced safety protocols to ensure that all products meet exacting quality standards. The factory also houses a dedicated research and development team that strives to find better ways to create more efficient and effective solutions for their customers.

In addition to its exceptional product line, Sangjin is committed to creating a better living environment. For example, the company’s innovative designs have helped reduce noise levels in crowded urban areas while providing improved thermal insulation properties.

At Sangjin, customer satisfaction is always a top priority. Their sales team works hard to understand each customer’s individual needs so that they can deliver the best possible product for their unique situation. They are also committed to providing excellent after-sales service and support should any issue arise with their products or services.

Sangjin is an experienced leader in its field who will continue to strive towards excellence as it looks ahead to a brighter future for its company and its customers.

Products & Services Offered by SANGJIN

  1. Grating
  2. Hot Dip Galvanizing
  3. Hot & Cold Rolling Machine
  4. Noise Barrier
  5. Pressure Welding Machine

Main market

South Korea

2. Shinwon MS Co., Ltd.

Website: http://www.swms.co.kr/

Shinwon MS Co., Ltd.

Type of Business: Grating Manufacturer

Location (Headquarters): Hwaseong-si, Gyeonggi-do

Year Established: 1993


Shinwon MS Co., Ltd. has been at the forefront of the automotive industry since its establishment in 1993. Specializing in press dies and heat exchangers for electronic products such as LCD, LED, and PDP, Shinwon MS has developed a reputation for producing top-notch high-quality products.

With a portfolio of services ranging from custom design to complex production processes, Shinwon MS is setting new standards for precision and accuracy. Moreover, Shinwon MS has supplied products to world-renowned firms such as Samsung Electronics and DELPHI. Its commitment to innovation also saw it launch the world’s first steel grating, which perfectly compensated for the shortcomings of existing products.

Thanks to this breakthrough technology, it has become one of the most sought-after brands among automobile manufacturers worldwide. Shinwon MS continues to dominate the automotive parts industry thanks to its cutting-edge technology, reliable customer service, and competitive pricing policy.

The company regularly updates its production lines with state-of-the-art equipment and invests heavily in research and development to stay ahead of the curve. With a team of experienced engineers and technicians dedicated to providing superior quality parts at affordable rates, Shinwon MS Co., Ltd. is well-positioned to remain an industry leader for years to come.

Products & Services Offered by Shinwon MS Co., Ltd.

Main market

South Korea, China, Russia and Thailand

3. Sunj Grating Limited

Website: https://chinagratings.com/

Sunj Grating Limited

Type of Business: Steel Gratings Manufacturer

Location (Headquarters): Jiangsu, China

Year Established: 2007


Sunj Grating Limited is a professional manufacturer of steel gratings with over 15 years of experience, providing exceptional quality and service. Founded by a group of highly experienced engineers and professionals, the company has become one of the most trusted brands in steel grating production.

The company’s products are all made with superior-grade steels that provide high strength, bearing capacity, and stress resistance. Sunj Grating Limited guarantees a unique level of durability, offering anti-corrosion and anti-rust features that make their products last longer than standard gratings on the market. Their product line includes all kinds of steel grates, such as stair treads, walkway panels, trench covers, and more

At Sunj Grating Limited, they understand that timely delivery is an essential part of customers. Therefore they have four processing lines to guarantee fast delivery without sacrificing quality or safety standards. On top of their excellent production capabilities, they also advise customers on which type of grates best suits their requirements according to their specific needs.

When it comes to commitment to customer service, the team at Sunj Grating Limited always puts its customers first, making sure that they receive the highest quality product while treating them with respect throughout every step of the process. The mission at Sunj Grating Limited is simple: consistent satisfaction for clients through innovative solutions and prompt deliveries every single time!

Products & Services Offered by Sunj Grating Limited

  • Steel Gratings
  • Galvanized Steel Grating
  • Stainless Steel Grating
  • Stair Gratings
  • Standard Steel Grating
  • Welded Steel Grating
  • Heavy Duty Steel Grating
  • Press-locked Steel Grating

Main Markets

China, Malaysia, USA and European countries


Website: http://www.wonjae.co.kr/eng/index.php


Type of Business: Manufacturer

Location (Headquarters): Gyeongsan-si, Gyeongsangbuk-do, Republic of Korea

Year Established: 2003


WONJAE STEEL GRATING is a leading steel grating manufacturer, offering a wide range of products used in many industries around the world. They specialize in creating custom-built steel grating solutions tailored to meet their clients’ needs. With consistent production systems built in their factory, WONJAE STEEL GRATING strives for quality and customer satisfaction.

Strict inspections are conducted to ensure cost, delivery time, and market flexibility are adhered to. The company also invests heavily in developing various functional gratings and designing registered products which have earned them numerous patents.

At WONJAE STEEL GRATING, they treat their customers as their top priority by ensuring excellent customer service. Their products are made with high-grade materials, and strive to provide timely delivery at competitive prices. The company’s efforts to promote a human-centered enterprise, creative technology, and customer-centric services enable them to provide the best possible experience for each client.

Whether it be flooring or fencing applications, stair treads or industrial safety requirements, or any other custom or standard project – WONJAE STEEL GRATING has the capacity and expertise necessary to cater to any need. The company takes great pride in its range of steel grating solutions and is constantly looking for additional ways to improve its products.

They believe that by investing in research & development, they can create cutting-edge solutions that add value for their customers worldwide. With a commitment to being an innovative leader within the industry – WONJAE STEEL GRATING offers unprecedented levels of service that few others can match!

Products & Services Offered by WONJAE STEEL GRATING

  • I-Beam Heavy Duty Grating
  • Style Safety Grating
  • Non-slip Design Grating
  • Rubbish Inflow Prevention Grating
  • U-Type Grating
  • Bolt Lock Type Grating
  • General Steel Grating

Main market

Asian countries

5. Bua Gongyeong Co., Ltd.

Website: http://www.booah.co.kr/

Bua Gongyeong Co., Ltd.

Type of Business: Construction, manufacturing, wholesale

Location (Headquarters): Hwaseong-si, Gyeonggi-do

Year Established: 1991


Bua Gongyeong Co., Ltd. is an innovative manufacturing company focusing on environmental stewardship, quality assurance, and customer satisfaction. They are dedicated to providing the best products and services in the industry by utilizing cutting-edge technologies and a conscientious approach to production.

Their commitment to eco-friendly practices, strict adherence to quality standards, and customer service excellence make them a trusted leader in our field. They operate state-of-the-art facilities designed with advanced automation controls and precision engineering systems that set us apart from other manufacturers.

Their employees are highly trained professionals who use sophisticated machinery and equipment by strict safety guidelines. This ensures that their clients receive only the highest quality products available today.

Products & Services Offered by Bua Gongyeong Co., Ltd.

Main market

South Korea and China

6. Kumgok Steel Industry Co., Ltd.

Website: https://kgsi.en.ec21.com/

Kumgok Steel Industry Co., Ltd.

Type of Business: Manufacturer

Location (Headquarters): Geumgok-dong Seo-gu, Incheon

Year Established: 1982


Kumgok Steel Industry Co., Ltd. is a South Korean manufacturer of steel materials and products, serving international and domestic customers. With decades of experience and expertise in the steel manufacturing industry, Kumgok is committed to providing quality products and services that meet or exceed customer expectations.

Kumgok’s commitment to innovation has earned its recognition as an industry leader with numerous awards for its exceptional quality control and environmental protection initiatives. The company maintains an ISO 9001 certification for its quality management system, ISO 14001 certification for its environmental management system, and RC14001 certification for its responsibility chain management system.

This ensures that all materials produced comply with international standards while minimizing emissions and waste output. Kumgok also offers clients customized solutions tailored to their specific needs.

Kumgok Steel Industry Co., Ltd. stands out amongst its peer’s thanks to its commitment to excellence on every level: production efficiency, customer service, research & development capabilities, employee training & education programs, as well as corporate social responsibility initiatives aimed at protecting human rights and ensuring a safe working environment for all employees.

It is this dedication that makes Kumgok a trusted partner when it comes to delivering top-notch steel materials that are reliable and sustainable for years to come.

Products & Services Offered by Kumgok Steel Industry Co., Ltd.

  • Steel Grating

Main Markets

China, India, South Korea

7. Kookjae Metal Co., Ltd.

Website: https://kjmetalco.en.ec21.com/

Kookjae Metal Co., Ltd.

Type of Business: Manufacturer

Location (Headquarters): Chongwang-dong Shihung-si, Gyeonggi-do

Year Established: 1985


Kookjae Metal Co., Ltd. is a leading manufacturer of high-quality steel structures, specializing in the design, fabrication, and erection of sound barriers (sound-proof walls), Misc iron works, steel grating, and hot-dip galvanizing works. Kookjae has always been committed to providing superior products that exceed industry standards.

Through continuous development and expansion, their engineering team remains dedicated to delivering solutions that keep one step ahead of the fast-moving industry world. Kookjae is renowned for its innovative approach to product enhancement, utilizing cutting-edge technology and techniques that add value for its clients.

They offer many solutions, including detailed drawings for easy installation and custom product upgrades for specialized requirements. Their knowledgeable professionals take pride in delivering efficient production processes with exceptional results. Furthermore, their focus on safety by ensuring all operations meet or exceed applicable regulations for each project.

Products & Services Offered by Kookjae Metal Co., Ltd.

  • Trench Cover Grating
  • Grating Projection Welding Line
  • Stainless Steel Grating
  • Stair Grating
  • Floor Grating

Main market

Asian countries

8. Royce Grating Limited

Website: https://www.beststeelgratings.com/

Royce Grating Limited

Type of Business: Manufacturing & Supplying Steel Gratings

Location (Headquarters): Wuxi,Jiangsu,China

Year Established: 1998


Royce Grating Limited is a leading manufacturer of tailor-made steel gratings and related products, such as stair treads, handrail standards, and storm drains. With over two decades in the industry, we have developed into a professional supplier of custom steel gratings with advanced manufacturing machines and sophisticated skills backed by scientific management.

Our team has extensive experience exporting all steel gratings to your country. We can provide reliable services thanks to our strong logistics and supply chain system. We also strive to do your projects even better by exploring new ways to improve our products.

Our product portfolio includes everything from standard grates to custom designs that allow you the opportunity to create something unique for your project. All our products are made using high-grade materials and tested for quality assurance. We believe in providing efficient customer service with uncompromising dedication, which is why we offer highly competitive prices for all our products.

At Royce Grating Limited, we ensure that you receive top-quality grates that meet your requirements without compromising on value. Our goal is always to provide you with the highest level of service possible – from initial consultation to delivery and beyond – while ensuring that your project runs smoothly and efficiently at every step.

Products & Services Offered by Royce Grating Limited

  • Steel gratings
  • Galvanized steel grating
  • Stainless Steel Gratings
  • Stair Gratings
  • Welded steel gratings
  • Press-locked Steel Grating
  • Heavy Duty Steel Grating

Main Markets

Malaysia, USA and European countries


Website: http://www.dongilst.co.kr/main/


Type of Business: Manufacturer

Location (Headquarters): Dalseo-gu, Daegu Metropolitan City

Year Established: 2003


DONGIL STAINLESS & TUBE Co.Ltd. is a professional coil center that provides top-quality services to its customers and has been operating for many years in the market. It is known for its state-of-the-art facilities and ability to respond quickly and accurately to customers’ diverse needs.

The company manufactures high-quality coils, stainless steel products, and tubes with excellent craftsmanship. The company is also dedicated to serving the local community, offering competitive prices and products of excellent quality. It provides strong customer support with a knowledgeable staff committed to ensuring total satisfaction with every purchase or service.

What sets DONGIL apart from other similar companies is its commitment to innovation, as it constantly works on improving existing products and services while developing new ones. The company takes great pride in using advanced manufacturing technologies while maintaining strict quality control standards to ensure that each product meets the highest possible standards of excellence.

With a team of experienced professionals, customers can rest assured knowing they are getting superior service and high-end products that are reliable and long-lasting products. In addition to their impressive product portfolio, they offer extensive training courses on proper installation methods for their products and provide flexible payment options tailored according to each customer’s budget needs.

Products & Services Offered by DONGIL STAINLESS & TUBE Co.Ltd.

  • Stainless steel
  • Cold rolled steel
  • Hot-dip galvanized steel
  • Electro-galvanized steel sheet
  • Stainless pipe

Main market

South Korea and European unions

10. Kinam Metal

Website: http://www.kinam.co.kr/en/index.php

Kinam Metal

Type of Business: Manufacturer of Ductile cast Iron Manhole

Location (Headquarters): Gyeongsan-si, Gyeongsangbuk-do

Year Established: 1999


Kinam Metal is a corporation dedicated to providing accurate delivery, quality products, and excellent after-sales service to its customers. The company prides itself on being a trusted provider that customers can rely on anywhere in the country.

At Kinam Metal, customer satisfaction is of the utmost importance, and the company is constantly seeking ways to improve and evolve to meet the needs of its customers. As an information leader, Kinam Metal is quick to embrace new ideas and technologies and always strives for innovation through a change in thinking. Whether you are looking for a reliable partner for your business or a company you can trust for your personal needs, Kinam Metal is an excellent choice.

Products & Services Offered by Kinam Metal

  • One-bolt locking manhole cover
  • One-bolt hinged locking manhole cover
  • Silent Sawtooth locking manhole cover
  • Design harmony manhole cover
  • Color harmony manhole cover
  • Design harmony manhole cover
  • Stainless line color harmony manhole cover
  • Noiseless (Crossing, Collecting Well) Manhole Cover

Main Markets

England, Spain, Italy, Oman, Mongolia, Thailand, Vietnam, Singapore, Indonesia, Philippines, Australia, United States, Canada


In conclusion, the top 10 steel grating manufacturers in South Korea offer a wide range of products and services that are ideal both for industrial and commercial uses. The quality and durability of the products they manufacture are highly acclaimed, as evidenced by their success in the market. These companies have consistently invested in the latest technology to ensure the highest quality standards.

Furthermore, these companies are backed by expert teams of professionals with years of experience constructing steel grates, ensuring that all projects are completed on time and within budget. These factors combine to make them some of South Korea’s most respected steel grating manufacturers who continue to provide quality products at competitive prices.

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