Started from Highly experienced engineers in machinery design founded AP UNITECH Co., Ltd. In 2001 located in Sriracha, Chonburi Province of THAILAND known as PRO Eng. &Automation Co., Ltd with space over 5,600 square meters  accommodates facilities to support manufacturing, fabrication, using new CNC machines, electric welding, Mig, Tig and CAD&CAM software that enables customers to see the goals and features of the products before the real production.

We improve our competency, tools and equipments, quality and safety continuously in order to provide solutions to customer’ complication to increase productivity both domestic and international. We work under ISO 9001:2008. In 2010, we have expanded the new plant with area 1,100 square meters to accommodate product assembly and testing before delivery to customer.

Factory Automation Design, Maufacturing & Integration for over 14 years


  • Our dedicated engineers are extremely qualified. They have expertise in both mechanical and electrical design, and utilize the latest Auto CAD Systems. They apply their knowledge from a diverse array of industries to design cost-efficient systems. Simply put: AP UniTECH has the engineering know-how to deliver the right automation solution to meet your objectives.

    Programming Capabilities

    • PLC
    o Allen-Bradley
    o Mitsubishi
    o Siemens
    o Omron

    • Software
    o Fieldbus Communications
    o Profibus, ASI-bus, Ethernet IP
    o Devicenet, Remote I/O
    o TCP-IP and Controlnet

    Design Capabilities

    • Mechanical

    o INVENTOR Professional
    o AutoCAD 2013

    • Electrical
    o AutoCAD Electrical
    o EPLAN Electric

  • • 2001 in name of PRO ENGINEERING & AUTOMATION Co., Ltd
    • 2006 Established the PRO AUTOPART Co., Ltd
    • 2009 Business combination and change the name to AP UNITECH Co., Ltd
    • 2011 ISO 9001: 2008 approves certifying.