We bring your ideas to life with precision manufacturing technology.
Production infrastructure setting the standard for the future of manufacturing
Injection Molding Machines
Total Factory Area
Manufacturing Expertise
Trust built with global partners






Precision components across every industry sector
Air purifier housing and filter frames
Kitchen appliance components and ultra-compact, ultra-precise mobile parts
Automotive interior/exterior and components (instrument panels, speakers, etc.)
Relentless innovation in pursuit of ultimate precision
A proprietary high-end integrated system fully tailored to local manufacturing and logistics environments
Fully digitized logistics from inbound to outbound, achieving an inventory error rate below 5%
Real-time aggregation of production results and defect status for immediate process optimization and visualization
Optimal partnership delivering stable quality and on-time delivery trusted by global brands
Since our founding in 1984, HAESUNG has continued to drive technological innovation in injection molding for home appliances and automotive parts. Our Thailand operation provides one-stop solutions through modern facilities and a self-developed management system, growing together with our global partners.
President & CEO Min Gui, Ahn
Optimal Material Solutions
PC, ABS, PP, POM, PA66, PET, HIPS, GPPS, LDPE, HDPE, Elastomer and more.
We maintain a diverse material portfolio capable of addressing a wide range of product requirements.
Samsung CNT, LG Chemical, Lotte Chemical, Mitsubishi Chemical,
BASF, SABIC, SCG and more. We operate a stable supply chain with leading global chemical companies.
A footprint of innovation and growth
HAESUNG (Korea) established, injection molding business launched
HAESUNG (THAILAND) CO., LTD. incorporated
Expanded and relocated to new factory in Chonburi, Thailand
Registered as SONY partner
Registered as LG partner
Registered as MONAMI partner
Registered as Samsung Electronics partner
In-house developed ERP system launched
Registered as SHARP partner
Registered as WINIX partner
Advanced in-house MES / POP system deployed
In-house WMS system (raw material · product · mold) deployed
Internationally certified quality, environmental, and safety management systems
Quality Management System
We operate a quality management system that consistently meets customer requirements through systematic quality control and continuous improvement across all processes.
Environmental Management System
We systematically manage energy use, process environment, and waste to minimize environmental impact and build a sustainable manufacturing environment.
Occupational Health & Safety
Placing worker safety and health as our top priority, we continuously strengthen our prevention-centered occupational health and safety management system.
Ethical responsibility and regulatory compliance
HAESUNG adheres to responsible mineral sourcing principles to prevent human rights abuses and illegal financing in conflict-affected regions.
Start your successful project with HAESUNG.
61.Moo4. Tambon Mabpong Amphur Pantong Chonburi 20160, Thailand