Wonkwang Industry Co., Ltd. is a specialized manufacturer of civil engineering and building materials located in Gwangju Metropolitan City, established in 2002. Under the management of CEO Choi Jeong-hwan, it produces various civil engineering materials such as concrete manholes and steel gratings, contributing to the construction of domestic infrastructure. Currently, 13 employees are working.

"Wonkwang Industry is a specialized manufacturer of civil engineering and building materials located in Gwangju Metropolitan City, established in 2002, and is an SME with over 20 years of experience under the management of CEO Choi Jeong-hwan. Key products include concrete manholes for sewage, steel gratings, street light foundations, and catch basins. Our management philosophy is 'improving product quality and standardization.' We are leading manufacturing innovation, having obtained KS certification for concrete manhole blocks for sewage in 2020 and being selected as an excellent smart factory company."

Business Areas

• Manufacturing of Concrete Products for Sewage, Electrical, and Communication: We directly produce various concrete structures, including circular and square manholes, PC precast inverter sewage manholes, and electrical/communication handholes. Through standardized molds and precise mixing technology, we mass-supply high-strength products that comply with KS standards.
• Specialized Manufacturing of Civil Engineering and Building Materials: We specialize in manufacturing civil engineering and building materials such as concrete manholes, gratings, and street light foundations. We play a role in contributing to domestic infrastructure construction through quality and technological innovation.
• Handling Other Civil Engineering Materials: We produce and handle a wide range of civil engineering and building materials, including PE sewage receivers, small manholes, square top slabs, gate valve iron parts, water meter protection boxes, and side ditch culverts. Through this, we establish a one-stop supply chain covering all civil engineering materials.

Products

• Concrete Manholes: We offer a diverse range of products in various specifications, including circular sewage manholes, PC precast inverter sewage manholes, square manholes/catch basins, and concrete electrical/communication manholes. In particular, PC precast inverter sewage manholes shorten construction periods and provide excellent drainage.
• Gratings: We produce essential components for road drainage facilities, such as steel gratings, design gratings, and U-shaped gratings. Our patented steel manhole cover contributes to weight reduction and improved on-site workability.
• Foundation Structures and Other Civil Engineering Materials: We provide product lines utilizing precast methods, including street light foundations, distribution panel foundations, and other lighting foundations. In addition, we produce various civil engineering materials such as PE sewage receivers, small manholes, and side ditch culverts.

Special Notes

• Quality and Standardization: We have a management philosophy that aims for product quality and standardization in accordance with Korean Industrial Standards (KS) and International Standards (I.S.O). We obtained KS certification for concrete manhole blocks for sewage in 2020, securing product reliability.
• Technological Innovation and Patents: Based on our unique core technology, we secure differentiated competitive advantages in related fields. Our patented steel manhole cover improves the shortcomings of existing products, demonstrating technology that enhances on-site workability, and we hold two patents.
• Customer-tailored Solutions and After-sales Service: We have the capability to produce special specification products tailored to the customer's design specifications (CAD drawings). We provide diligent A/S for product defects to increase customer satisfaction and pursue an engineering-oriented business model that offers customized on-site solutions.

💡 A Word from JobPloy
Wonkwang Industry is a manufacturer that produces civil engineering and building materials such as concrete manholes and steel gratings. It is expected that there will be many production-related tasks, which may involve physical labor. As product quality and standardization are important for the company, meticulousness and a sense of responsibility are required. It is important to work diligently while adhering to safety regulations.