Il-Gon Chang

Gojin Motor Imports Co. Ltd. sells automobiles manufactured by Audi and Volkswagen. The private company is based in Seoul, South Korea. and has subsidiaries in South Korea. The CEO of the South Korean company is Hong-Sun Chang.

Wooam Holdings Co., Ltd. is a South Korean company that provides various services related to website development and design. The private company's services include creating pages with the same style, installing Hangul font plugins such as WP Google Font, and using CSS to install plugins to avoid slow speed. The company also offers a formmail service called Contact Form 7, which may require CSS customization in themes where it does not work well. Additionally, they provide a plugin called Simple that allows users to change the order of posts or portfolios.

Seyang Logistics Co., Ltd. provides frozen warehousing facilities. The South Korean company was founded in 2000. The CEO is Sun-Woo Chang.

Se Jong-AMC Corp. is a South Korean company that manufactures gas regulators.

Ssangyong Enertech Co., Ltd.. wholesales liquid fuel and other related products. The company was founded in January 2017 and is headquartered in Seoul, South Korea.

Wooam Construction Co., Ltd. provides civil engineering and building construction services.

SeYoung Tire Manufacturing Systems is a South Korean company that manufactures casting and engraving molding products for tires. The CEO of the private company is Sun-Woo Chang.