Shop on Naver Store

Daily Archives: August 13, 2025

What Is Residual Chlorine (CL)? The Truth Behind the Smell of Swimming Pools and Bleach!

What Is Residual Chlorine (CL)? The Truth Behind the Smell of Swimming Pools and Bleach!

[Read Original Article] What Is Residual Chlorine (CL)? The Truth Behind the Smell of Swimming Pools and Bleach!|Written by Kyeongwon Engineering The “chlorine” left in water is more than just a smell.It plays a critical role in disinfection and hygiene in tap water, swimming pools, and water treatment plants. Today, we’ll explain clearly and simply […]

Continue Reading

Quick Access

Request a Quote

Inquire about product applicability and request a quotation.

Catalogs & Manuals

View product specifications and user manuals.

Naver Store

Easily purchase from our Naver Smart Store.

All Kyeongwon Engineering Products

Award Image

Since

1991

Product Lineup

1. pH Controller 2. ORP Controller
3. Residual Chlorine Controller
4. Dissolved Oxygen Meter
5. Conductivity Controller
6. MLSS Meter
7. Manufacture of Holders and Electrodes for each item
- Manufacture of Conductivity Sensors (Cell constants: 1.0, 0.1, 0.01)
- Manufacture of Salinity Sensors (Salt concentration in cement mixtures)

Major Installation and Supply Clients

Korea Rural Community Corporation, Rural Development Administration, Kyung-In Trading Co., Ltd. (Domestic branches, Turkey plant, China plant), NtoB (POSCO, Sae-il Paper), Korea Bunter, Korea Microworks, Seongnam City Hall, Seoul Seongdong District Office, Hanam City Hall, Hwacheon County Office, Korea University Anam Hospital Water Treatment Plant, Korea University Ansan Hospital Water Treatment Plant, Sunaltech Co., Ltd., Korea Moonsan, Celltrion Inc., Celltrion Pharm Inc., Samwon Industry Co., Ltd., Haitai Beverage Cheonan Plant, Korea Water Resources Corporation (K-water), Incheon International Airport, HanDo I&C Co., Ltd. (Seoul branch & Busan headquarters), Seogeum Aqua Co., Ltd., Hongkyung Engineering, MoaSoo Co., Ltd., Hongik Control Co., Ltd., Chunse Industry, Seoh Co., Ltd., Guri City Sports Association, Gunpo City Facilities Management Corporation, Giheung Plant Co., Ltd., Taepyeong Brewery, Daemyung Teijen Industry, Jongno District Office, Noblesse Tower, Duri Environment Co., Ltd., Incheon Steel, Hanchi E&C Co., Ltd., Borak Co., Ltd., Samsung Medical Center, Seoul International School, Sebang Chemical Industry Co., Ltd., Soonchunhyang University Hospital, Shinmyeong Myungsom Cooperative, Shinhan Construction Co., Ltd., Luven Co., Ltd., Stec Co., Ltd., Cheoncheon Environmental Technology Co., Ltd., Ildong Pharmaceutical, eBioGen Co., Ltd., Jetec System, Pocheon City Hall, Pulmuone Health & Living Co., Ltd., Korea Railroad Corporation (KORAIL), Hanam Urban Development Corporation, Hongcheon County Office, Yangyang County Office (Swimming Pool), Sejong SK Biopharm, and many others (partial list).




[Kyeongwon Engineering] Development & Manufacturing of Environmental Measuring Instruments

Manufacturer specializing in pH, ORP, DO, residual chlorine meters, MLSS meters, conductivity meters, flow meters, dosing pumps, water quality analyzers, and sensors.


Business Registration Number: 113-21-79074

Contact

© KYUNG-WON ENGINEERING & TRADING CO. All Rights Reserved.