It is not simple to search for good angle valve manufacturers in Korea, especially if you are looking for real factories with competitive pricing and stable quality. There are many industrial valve manufacturers in Korea, but only a few stand out with large-scale factory facilities, certifications, and a history.
In this article, we have listed the top 10 Korean angle valve manufacturers and suppliers. They each possess their own factories, offer customized services, and serve domestic and international markets. Some offer high-performance industrial valves to chemical plants and power plants, while others handle plumbing and OEM services. If you are looking for direct dealing with suppliers for lower prices and support, here’s a good place to start.
1. List of Angle Valve Manufacturers & Suppliers in Korea
Below is a quick summary of Korea’s top angle valve manufacturers and suppliers. This table provides their websites and years of establishment to provide you with an idea about the history of each company.
| NO. | Company | Website | Year Established |
|---|---|---|---|
| 1 | HY Industry | http://www.hy-alloyvalves.com/ | 2002 |
| 2 | ILSHIN Precision | https://www.ilshin.com/ | 1986 |
| 3 | Plumberstar | https://plumberstar.com/ | 2006 |
| 4 | Wonkwang Valve | http://www.wonkwangvalve.com/ | 1987 |
| 5 | SMC Automation Korea | http://www.smcautomation.co.kr/ | 1985 |
| 6 | PK Valve | https://www.pkvalve.co.kr/ | 1946 |
| 7 | Kinka Valve | https://www.kinkavalves.com/index.html | 1974 |
| 8 | Jinhu Industrial Co., Ltd | http://www.jinhu.co.kr/en/ | 1993 |
| 9 | KCL Valve | https://www.kclvalve.com/ | 1992 |
| 10 | KOMOTO Co., Ltd. | https://komoto.co.kr/ | 1998 |
2. Top 10 Angle Valve Manufacturers & Suppliers in Korea
Here are the top 10 angle valve manufacturers and suppliers in Korea:
Top 1: HY Industry (HY Alloy Valves)
HY Industry, also referred to as HY Alloy Valves, is a high-performance valve expert with experience in exotic alloys. HY Industry started in 2002 and has grown to be one of the leading Korean industrial valve makers of angle valves, globe valves, ball valves, and gate valves, with special emphasis on high-pressure and high-temperature services.
With over 20 years of exposure to the industry, the company is well-renowned for its capability to produce super-duplex stainless steel, Hastelloy, Inconel, Monel, and titanium valves—a type of material utilized in corrosive and severe applications. HY Industry supplies to chemical processing, offshore platforms, power generation, and shipbuilding industries.
The firm operates a 4,000-square-meter factory equipped with CNC machinery, non-destructive test laboratories, and an in-house R&D department. HY Industry is ISO 9001 and PED certified, and some of its valves are API-certified. The company’s quality-first attitude has won it high-profile customers like POSCO, Doosan Heavy Industries, and Korea Hydro & Nuclear Power.
Website: http://www.hy-alloyvalves.com/
Year established: 2002
Location: Busan, South Korea
Products:
- Angle Valves
- Globe Valves
- Gate Valves
- Ball Valves
- Check Valves
- Custom Alloy Valves
Top 2: ILSHIN Precision
Established in 1986, ILSHIN Precision is the top Korean industrial valve company with an emphasis on precision-engineered angle valves and cryogenic valve systems. ILSHIN Precision provides valves used by semiconductor factories, petrochemical complexes, LNG terminals, and cleanrooms.
With emphasis placed on high-purity systems, ILSHIN produces valves that can work under harsh conditions of temperature and pressure. They provide standard and specially designed valves, and the products produced by them include vacuum angle valves, bellows-sealed valves, and metal diaphragm valves.
ILSHIN operates a 10,000-square-meter facility in Yongin and has an in-house cleanroom assembly area to maintain product integrity at the highest for ultra-clean application. It is certified with various international approvals like ISO 9001, CE, and KGS, and is an established supplier to some of the likes of Samsung Electronics and LG Chem.
Website: https://www.ilshin.com/
Year established: 1986
Location: Yongin-si, Gyeonggi-do, South Korea
Products:
- Angle Valves
- Cryogenic Valves
- Diaphragm Valves
- Vacuum Valves
- High-Purity Valves
- Custom Gas System Valves
Top 3: Plumberstar
Although headquartered in China, Plumberstar supplies to the Korean market and has available OEM services for Korean plumbers. Being in existence since 2006, the company is a specialist in domestic and commercial plumbing products like angle valves, bibcocks, fittings, and water-saving fittings.
The competitive edge of Plumberstar is competitive pricing, fast production cycles, and quality control checks in place. The company offers both brass and stainless steel angle valves for use in kitchen, bathroom, and HVAC applications. With a production level of over 1.5 million valves per year, the company serves clients in over 35 countries.
They have provided private labeling and branding support to Korean retailers and plumbing supply chains. They have an in-house QC procedure including 100% pressure testing, surface inspection, and salt spray resistance testing of plated components.
Website: https://plumberstar.com/angle-valve/
Year established: 2006
Location: Ningbo, Zhejiang, China (serves Korean clients)
Products:
- Angle Valves
- Ball Valves
- Bibcocks
- Fittings
- Check Valves
- Custom OEM Plumbing Hardware
Top 4: Wonkwang Valve
Wonkwang Valve started manufacturing industrial valves in 1987 and has provided main markets such as water treatment, chemical processing, and power generation. Their medium to high-pressure angle valves are relied upon to be long-lasting and reliable.
Wonkwang Valve is headquartered in Gimpo and has a vertically integrated production system from casting, machining, assembly, and testing under one roof. They offer standard and customized valve solutions, particularly in bronze, cast iron, and stainless steel.
Some of their customers are Korea Water Resources Corporation and Hyundai E&C. The firm has been praised for its on-time delivery, performance in the field, and ability to customize products according to particular projects.
Website: http://www.wonkwangvalve.com/
Year established: 1987
Location: Gimpo-si, Gyeonggi-do, South Korea
Products:
- Angle Valves
- Gate Valves
- Check Valves
- Foot Valves
- Y-Strainers
- Pressure Reducing Valves
Top 5: SMC Automation Korea
SMC Automation Korea is a Korean company of SMC Corporation, which is the global leader in automation and pneumatic solutions. Founded in Korea in 1985, SMC offers a broad line of control valves, including angle seat valves, which find widespread applications in automated industrial processes, such as packaging, food production, and chemical processes.
Their angle valves are globally renowned for long lifespan, fast response speed, and good sealing performance. SMC Automation’s local Korean manufacturing facility and service center provides real-time local support, and the company’s R&D center is committed to product innovation in areas like clean room application and energy savings.
SMC’s Korean subsidiary supplies angle valves and automation components to significant producers like Hyundai Motors, SK Hynix, and POSCO. They are a preferred automation industry supplier based on their advanced technical assistance, robust inventory system, and vast network.
Website: http://www.smcautomation.co.kr/
Year established: 1985
Location: Siheung-si, Gyeonggi-do, South Korea
Products:
- Angle Seat Valves
- Pneumatic Valves
- Actuators
- Solenoid Valves
- Air Treatment Units
- Custom Automation Components
Top 6: PK Valve
PK Valve, established in 1946, is a top valve manufacturer in Korea. They offer high-quality industrial valves for oil & gas, nuclear, shipbuilding, and power plant usage globally. Their entire product range, including cast and forged steel valves, falls under their product portfolio, and among their high-pressure product family, angle valves are one of their best products.
PK Valve manufacturing plants are also equipped with advanced CNC and testing equipment. PK Valve holds ISO 9001, API 6D, and ASME certifications. They also have operations under stringent quality control practices. The R&D division of the company also engages in developing advanced valve technology, including cryogenic valves and high-alloy valves.
PK Valve has partnered with global engineering firms such as GE Power, ExxonMobil, and KEPCO. Their products are utilized in strategic infrastructure developments across Asia, the Middle East, and North America.
Website: https://www.pkvalve.co.kr/
Year established: 1946
Location: Changwon-si, Gyeongsangnam-do, South Korea
Products:
- Angle Valves
- Globe Valves
- Gate Valves
- Check Valves
- Butterfly Valves
- Cryogenic Valves
Top 7: Kinka Valve
Kinka Valve has been a familiar name in Korea’s valve industry since 1974. They specialize in commercial and industrial valves and stock a full line of safety valves, angle valves, and pressure regulators. Their angle valves are most widely applied to HVAC systems, steam applications, and boiler systems.
Kinka operates from a world-class factory in Incheon, with independent CNC lines and inspection units. They offer valves in cast iron, bronze, and stainless steel, in various thread and flange sizes. The company is known for reliability and strong after-sales service, having supplied to industry leaders such as LG Electronics and Korea Gas Corporation.
Kinka’s angle valves are praised for low maintenance and strength in heating and steam systems.
Website: https://www.kinkavalves.com/index.html
Year established: 1974
Location: Incheon, South Korea
Products:
- Angle Valves
- Safety Valves
- Pressure Reducing Valves
- Check Valves
- Steam Traps
- Boiler Valves
Top 8: Jinhu Industrial Co., Ltd.
Jinhu Industrial was established in 1993 and specializes in industrial valve production with a good reputation for being efficient and reliable. Their angle valves are used for industrial piping systems, particularly for the chemical and water treatment industries.
Jinhu has total in-house production from cast to end testing with extreme care for quality control. Jinhu is ISO 9001 and KS certified, and they export internationally to over 15 countries. Jinhu has implemented an ERP system with cutting-edge technology for production scheduling as well as supply chain functions, ensuring timely delivery on huge projects.
Hanwha Chemical, Kolon Industries, and water projects in municipalities are among their major customers. Their emphasis on cost-efficient as well as customized solutions has them as the preferred choice of mid-size engineering contractors.
Website: http://www.jinhu.co.kr/en/
Year established: 1993
Location: Ansan-si, Gyeonggi-do, South Korea
Products:
- Angle Valves
- Gate Valves
- Globe Valves
- Strainers
- Ball Valves
- OEM Industrial Valves
Top 9: KCL Valve
KCL Valve was established in 1992 and has become renowned due to its proficiency in understanding fluid control valves like angle valves used for industrial, HVAC, and utility applications. The strength of KCL is its R&D-driven design technology that allows it to offer specialized products for efficient systems.
KCL manufactures valves through precision machining and automated testing processes. Their angle valves are also widely used in district heating systems and steam control systems across Korea. KCL also offers advanced control valves that use pneumatic or electric actuators.
Clients are Korea District Heating Corporation, Seoul Metro, and other power plant operators. For long service life and energy-efficient operation, KCL Valve is a reliable partner in thermal and utility infrastructure projects.
Website: https://www.kclvalve.com/
Year established: 1992
Location: Bucheon-si, Gyeonggi-do, South Korea
Products:
- Angle Valves
- Control Valves
- Steam Valves
- Pneumatic Valves
- Strainers
- District Heating Valves
Top 10: KOMOTO Co., Ltd.
KOMOTO Co., Ltd. has been in operation since 1998 and is the expert in instrumentation valves and process industry fittings, as well as angle valves primarily used in chemical and instrumentation lines where compact, corrosion-resistant, and precision-oriented applications are called for.
KOMOTO manufacturing is situated in Daejeon, South Korea, which consists of advanced production equipment and cleanroom assembly lines for high-purity applications. They manufacture their valves to meet ASME, ISO, and RoHS standards. They also provide 3D CAD and OEM design customization to OEM clients.
KOMOTO supplies semiconductor fabs, biotech labs, and cleanroom facilities. Being a customer to SK Innovation and OCI Chemical, they are recognized to provide accuracy under stringent regulatory conditions.
Website: https://komoto.co.kr/
Year established: 1998
Location: Daejeon, South Korea
Products:
- Angle Valves
- Needle Valves
- Instrumentation Valves
- Tube Fittings
- Manifolds
- Miniature Valves
3. Key Factors of Choosing Angle Valve Manufacturers & Suppliers in Korea
In choosing among Korean angle valve manufacturers, there are certain critical matters that should be given heed in order to have a good, reliable and value-for-money vendor.
First, there must be production capacity. Look at companies with in-house casting, CNC turning, and inspection. This means improved quality control and faster turnaround times. Many of the major Korean manufacturers are ISO-compliant and meet international standards like API, KS, or CE, which is vital for sectors like oil & gas, HVAC, and water systems.
Second, experience and specialization matter. Decades-old firms typically have better supply chains and engineering resources that can manage complex customization and on-time delivery of products. For example, firms with experience in large-scale infrastructure or chemical projects are best positioned to deliver corrosion-resistant or high-pressure applications.
Lastly, consider the range of products and customer service. A company that has an entire spectrum of valves (globe, gate, angle, check, etc.) and after-sales assistance and rapid communication can save you time and money in the long run.
Based on these considerations, you can make a more informed selection of which company is best suited to your specific project needs and quality needs.
4. Conclusion
South Korea boasts a robust industrial manufacturing sector, especially in precision valves. The above 10 companies are among the most efficient and reliable angle valve manufacturers in the nation. With years of experience, sophisticated production systems, and international quality certifications, they are highly trusted by customers worldwide across industries from construction and plumbing to oil & gas and heavy industry.
These firms do not only reflect the ingenuity of Korean engineering capabilities but also point towards the country’s drive for product innovation and competitiveness at a global level. Whether you are looking for standard angle valves or fully specialized solutions, the above firms are more than capable of serving your needs.