Syringe-Manufacturing Machines

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 [INQ. NO. 2408M20] The syringe-manufacturing machines of JEESUNG Engineering include a chain of machines that print the markings onto, assemble, package, and sterilize the syringes that we usually see at the clinics.
The machines manufacture general (conventional) syringes of different sizes, including 3ml, 5ml, 10ml, 20ml, etc.

The machines also manufacture some special syringes, such as the 1ml uni-body insulin syringe for diabetic patients, as well as auto-disable syringes, and safety syringes.
These syringes have different purposes. The auto-disable syringes are designed to be automatically disabled when someone intends to use them the second time (by breaking the piston when pulled, etc.) to prevent infection by blocking any attempt to use it more than once.
The safety syringes are designed to protect the medical staff from accidental infection. They are specially manufactured so that the needles will retract into the syringe after use and will not puncture the skin of the medical staffs.
In general, syringes of different sizes are manufactured by: the parts (barrel, plunger and gasket) of different sizes being manufactured by injection; the marks being printed onto the barrel; and the parts being assembled.

The process of syringe-manufacturing
When the machines assemble the parts into the completed products, they are blister-packaged, placed into cartons, and (as the final process) sterilized by the EO sterilizer so that they can be used on human patients at the clinics.
All these processes are carried out by a chain of machines (mold, injector, printer, assembler, and packager), called syringe-manufacturing machines.


 
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Safety Valves

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[INQ. NO. 2408M19] Il-O-Sam Co., Ltd. is a company that has been specializing in the production of valve fittings through forging and processing brass materials since its establishment in 1985.
Il-O-Sam developed the cut-off overflow valve to prevent secondary accidents in the event of a large shock such as an earthquake or fire. This product can significantly reduce accidents with gas cylinders by preventing accidents through the valve’s own function in situations where people cannot do anything.

Cut-off overflow valve
The company’s cut-off overflow valve built into the safety valve can be used for LPG/propane gas for household and restaurant use. The conventional safety valves cannot automatically cut off the flow of gas when an earthquake, fire, severe shock, or accident occurs, affecting the tank, hose, or combustion unit.

The Overfill Prevention Device (OPD) valve developed in the United States has the limitation that it can only be operated when the pressure regulator is removed. However, Il-O-Sam’s cut-off overflow valve is designed to operate automatically in the event of a gas pipe rupture (above the allowable level).
The cut-off overflow valve disconnects the pressure regulator and automatically cuts off the gas when the valve is opened. This product also has such additional functions as automatic gas shutoff if the pressure regulator is accidentally separated or detached from the hose during use; automatic gas shutoff if the gas supply line (hose or pipe) is cut or ruptured; automatic gas shutoff if the LPG cylinder falls over due to an earthquake or impact; automatic gas shutoff if the valve itself is defective or damaged by external impact; and automatic gas shutoff if the pressure regulator is damaged during use.
The cut-off overflow valve is installed inside the valve (embedded type) and costs only about 10% of the price of the existing valves. Therefore, by simply adopting the company’s overcurrent blocking component to the existing OPD valves, users’ products ultimately can be upgraded to the best safety valve.

 
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Automotive Cores

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[INQ. NO. 2408M18] YUSEUNG Co., Ltd. was established in 2011, and has since been developing EGR cooler parts and powder metallurgy parts for internal combustion engines. YUSEUNG is a company that develops magnetic inductor cores and materials for power-conversion devices.
YUSEUNG recently began developing inductor cores for the On Board Chargers (OBCs) of electric hydrogen vehicles and hybrid vehicles, and confirmed delivery to Hyundai Motor Company in 2026.
YUSEUNG has a mission to ‘lead the way to energy-efficiency improvement through innovative technology and product development to reduce energy loss that inevitably occurs during power conversion.’
“We plan to expand our business to inductor core products in the future, leading the way in accelerating the transition to sustainable energy,” remarked the company’s CEO.

Inductor Core
An inductor is one of the three passive components that make up an electric circuit. It is made up of a core made by molding a soft magnetic powder material, and winding a conductive coil (wire) around it.
An inductor temporarily stores energy in the form of a magnetic field in the coil and acts to block changes in the current passing through it, and its size is determined by inductance, which is the ratio of electromotive force to current change (unit: henry, H).

Inductors are essential passive components that make up power circuits, and they play a role in smoothing the current and controlling noise in power circuits. They are also essential components used in power-conversion systems of power-driven devices such as electric vehicles.

Powder magnetic cores
Powder magnetic cores are manufactured by compressing insulating-coated metallic magnetic powder that has uniform voids distributed between the powder particles.
This unique design results in minimal magnetic flux leakage and high insulation proper-ties between the powder particles, thereby making them suitable for low-loss applications even in high-frequency environments.

  
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Automobile Parts

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[INQ. NO. 2408M17] WATO KOREA CORP. started as a trading company specializing in exporting automobile parts in 1997. Ten years later, in 2007, it established a manufacturing plant for automobile alternators and starter motors – and began exporting these products to Europe, the Middle East, and Russia under its own WATO-TECH and OEM brands.
In addition, WATO KOREA manufactures and exports its various Korean automobile parts, including wheel hub bearings, wheel hub assembly, drive shafts, and power-steering devices, through OEM.
As a result of these efforts, WATO KOREA won the US$7 million Export Tower and the Award from the Minister of Trade, Industry and Energy (MOTIE) on the 60th Trade Day in 2023.

Alternator & Starter Motor of Car
A car alternator is a generator that supplies power to a car and charges the battery, and a starter motor is a device for starting a car engine.
WATO KOREA’s alternator and starter motor are manufactured through production lines and manufacturing processes that meet international standards, and through thorough material management and product testing, WATO KOREA produces high-quality products and exports them to Europe, the Middle East, and Russia under its own WATO-TECH and OEM brands.

Hub-Bearings & Hub-Assembly of Cars
A car hub bearing is a bearing used in the wheel hub of a car wheel, and a hub ass’y is a product that integrates the bearing and hub, has a low failure rate, and is good for the safety and durability of the car.
Through its subsidiary, DOMO KOREA Co., Ltd., WATO KOREA has established an integrated production system capable of producing all hub bearings – from hub bearings to third-generation hub assembly. WATO KOREA has introduced a thorough material- and quality-management system to produce and export the best products under the WATO-TECH, DOMO, and OEM brands.
“We are actively working on continuous new product development and quality improvement through our own automobile parts research and development center. We are a specialized automobile-parts export company, growing constantly with our customers as a global powerhouse under our own motto of “We are the One,” remarked the company’s CEO.

 
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High-strength Concrete Floaters

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[INQ. NO. 2408M16] AP energy Co., Ltd., a new and renewable energy company founded in 2004, has developed high-strength concrete floaters, and has established production facilities and production technology.
AP energy provides solutions for floating solar-power systems and marina facilities installed in various water environments around the world.

High-strength concrete floaters (HSC Pontoon-A1)
HSC Pontoon-A1 is high-strength (60MPa) concrete material. It offers durability against ultraviolet rays, strong winds, and cold waves (at least 30 years). The heavy weight and low-centered design provides excellent resistance to wave force, algae, etc. It also ensures a low chance of overturning, and no possibility of transfer to pontoons in case of fire.
In addition, all materials used in the buoyancy body have secured environmental safety through the ‘Hygiene and Safety Standards Process Test for Waterworks Materials and Products.’ HSC Pontoon-A1 is a technologically innovative product, created with emphasis on durability against salt water and neutralization as well as resistance to wave power.
AP energy has secured optimized designs and safety for the water environment by introducing marine-structure technology applied at sea through technology transfer, and its own technology development.

Applications

AP energy’s HSC Pontoon-A1 is a small-sized pontoon that implements 800kgf of buoyancy manufactured through the one-casting manufacturing method, and can be applied to water solar-power generation systems and marina facilities.

Installed cases

 
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Oil-less Bearings

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[INQ. NO. 2408M15] Since its founding in 2000, SGO Co., Ltd. has been specializing in broad ranges of its proprietary manufacturing and service technologies for maximizing the performance and efficiency of oil-less bearings used in industrial machines and molds.
SGO’s endless research and development efforts to meet customers’ needs resulted in THEDVELON, a far more improved multi-layer bearing than conventional products.
SGO’s commitment to development of next-generation products and services does not stop with a number of patents granted in Korea, Germany, and Italy. SGO will continue to be a close partner to meet customers’ needs and provide the best services.

Brass oil-less bearing
Brass oil-less bearing SGO #500 is a plain bearing with graphite plugged to base metal, brass. Fine particles of solid lubricant create lubrication film on the motion part, when friction occurs, and the bearing can achieve excellent self-lubrication and abrasion-resistance under dry-lubricating conditions.
While lubrication is not applied, SGO #500 can achieve excellent performance in high-load and low-speed motion and can be used where tolerance is imprecise or working conditions are tough.
SGO has three kinds of SGO #500 as per mechanical properties, and #500 SP24 is a special high-strength brass for high-load use in construction equipment and injection molding machines. Standards parts and custom-made parts are available.

Steel-backed sintered bearing
SGO’s new brand, THEDVELON, is a steel-backed sintered bearing designed to replace conventional brass bearings. Sintered materials (1~1.2mm) including Cu, Fe, Ni, Sn, MoS2, Graphite and oil-impregnated pores are featured as a new-generation sliding bearing.
Since solid lubricant is evenly distributed on the sliding surface, THEDVELON can be used in high speed and in any motion direction with excellent wear-resistance for heavy load and low/mid velocity.
It has also price competitiveness in comparison with brass bearings due to the recent surge in raw material prices and is used in plastic / press mold guides and hydraulic press machines.

 
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Transformer Components

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[INQ. NO. 2408M14] SW INDUSTRY CO. has produced transformer components — radiator, tank, cooling fan & valves — for domestic & overseas markets, and has contributed to the development of transformer components’ areas with constant quality improvement and technology innovation.
Currently, SW Industry is exporting its top-class products to over 20 countries.
SW INDUSTRY satisfies the demanding requirements of customers around the world with various sizes and models of transformer radiators and cooling fans that cool the heat generated inside distribution/power transformers.
The stability and excellence of the products have been proven by exporting to satisfied clients in 23 countries with competitive prices and high quality. The company increases customer satisfaction with the synergy effect of shortening the production period of users with quick delivery.

Transformer cooling radiators
The widths of the cooling radiators are 225, 280, 290, 310, 320, 380, 480, 520, and 535mm – and the center is unlimited. The thicknesses that can be produced are 1.0, 1.2, and 1.5mm, respectively, and external treatment is possible with paint and hot dip galvanizing.

Cooling fans
There are six models of cooling fans and any airflow is possible. The guard can be made of steel + hot dip galvanizing or paint, and stainless steel; and the blade can be made of either aluminum or stainless steel.
SW INDUSTRY has invested in advanced equipment for higher production-capacity, and acquired the necessary high technology and talented manpower to ensure superior quality.

“All of us at SW INDUSTRY will strive to be the best producer in the world by applying the most advanced production equipment and our own technology, and to manufacture the high-quality products that can meet the customers’ demands,” remarked the company’s CEO.

 
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Electric Actuators

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[INQ. NO. 2408M13] ADDTEC Co., Ltd., a company specializing in electric actuators, has achieved the highest sales for 23 years since its establishment, focusing on its main product, motor actuators. It is also developing new products such as BLDC motors.
Based on over 30 years of experience and trust, ADDTEC has formed partnerships with sub-suppliers to provide reasonable prices to customers and maintain continuous cooperation.

Motor actuators
Motor actuators are largely divided into AFD actuators, HVAC actuators, and valve actuators.
AFD actuators are used to drive auto pop-ups for opening and closing auto flush door handles in automobiles and comes in two types — swing type and pop-up type.
HVAC actuator is used to control HVAC dampers to control cooling/heating, wind direction, switching of internal/external air, and temperature, and is applied to not only passenger cars but also commercial vehicles and special vehicles.
Valve actuator is used to control airflow for the HVAC system, but is mainly used as coolant valves that open and close valve to circulate external coolant.

BLDC motor
BLDC motor is used to blow external wind for heat-exchange between the condenser and evaporator, and is mainly applied to buses.
As a leading company in automotive electronic parts, specializing in components like seat ventilation ECUs, HVAC systems, blower motors, actuators (HVAC, valve, auto flush door handles), and PTC heaters, ADDTEC is growing into a global specialist in in-vehicle electronic components by developing and manufacturing these key products.

  
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Next-Generation RF Generator

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[INQ. NO. 2408M12] RFPT Co., Ltd. was established in 2010, and is a company that provides high-frequency RF power solutions for plasma required for essential processes such as plasma etching/deposition/polymerization, a core process of semiconductor manufacturing, based on RF and microwave (MW) technology.
RFPT is leading the localization of the technology in the semiconductor and defense sectors, and its major customers include global semiconductor manufacturers such as Samsung Electronics, Wonik IPS, ASM, and TEL.
RF generator is a device that generates high-frequency electromagnetic fields widely used in various industries, science, and medical fields, and is a power-supply device that supplies RF power to accurately and stably operate plasma applications used in the semiconductor core manufacturing process, etch/deposition/asher.
K-GEN generator is RFPT’s next-generation RF generator featuring the latest GaN HEMT (High Electron Mobility Transistor) technology.

Maintaining a high level of stability in RF power
In order to maintain high stability and balancing of power required in the semiconductor manufacturing processes, a newly strengthened switching-amplifier configuration and dual- step quadrature hybrid coupler were applied, and high-power efficiency was achieved by the application of GaN HEMT.

In addition, the automatic frequency-tuning function and RF vector sensor system enable accurate monitoring and control of processes required for semiconductor production processes through combination with an external RF VIZTM sensor, which can also be expected to improve yield by reducing production defects.
The device currently offers a frequency range of 2 MHz to 60 MHz and models ranging from 1.5kW to 10kW for etching, deposition, cleaning, ashing and sputtering systems in semiconductor production processes, as well as a wider range of applications and various ways to operate.

 
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Automotive Lightweight Parts

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[INQ. NO. 2408M11] ALUS Co., Ltd. was established in 1999, and specializes in the manufacturing and supply of aluminum alloy casting, extrusion, and aluminum automotive parts.
In particular, ALUS has established an integrated production line in-house, enabling it to maintain a competitive quality-control system and cost competitiveness.
By developing lightweight materials for automobiles, ALUS mass-produces and supplies aluminum battery-pack case components, bumper beams, side sills, seat rails, etc., to Tier 1 and Tier 2 suppliers. Through these efforts, ALUS contributes to reducing carbon emissions and maximizing energy efficiency, driving its continuous growth.
Additionally, ALUS has received positive feedback from buyers in overseas markets, highlighting its potential for expanding exports to the global market in the future.

Aluminum car body parts
These parts require precision extrusion and quality control due to their large size and intricate design.
ALUS completed the construction of a 12-inch large extrusion manufacturing line (4,500 tons) in 2017 and established additional extrusion manufacturing facilities, including an 8-inch (2,200 tons) and two 7-inch lines in 2022, thus creating a production system capable of handling various sizes of components.
Furthermore, a smart factory has been established to build precise and high-quality management capabilities in mass-production processes.
Currently, automated inspection equipment utilizing robots and laser sensors has been introduced and is being applied to mass-production lines to ensure accurate inspection and management of intricate automotive parts.

Aluminum battery pack case parts for EV
The pack case containing the battery modules is a component made by extruding aluminum material, followed by heat-treatment and machining for lightweight purposes.
It is assembled with top, bottom, left, right, and partition walls – and is designed in various shapes and sizes, according to the battery pack size, requiring stringent dimensional specifications.
As the outer component of the battery pack case, which protects the battery modules and cooling system from thermal and mechanical shocks, it requires high-strength, high-precision aluminum extrusion technology.


 
 
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