About Us - United Ivory
United Ivory Sdn Bhd is a subsidiary company of Tong Yong Metal Sdn Bhd. Since its founding in 2010, United Ivory brings a fresh and innovative approach in its designs and solutions on deluxe range airtight agro-house systems using light-weight galvanized steel hollow sections.
United Ivory Sdn. Bhd.
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About Us

Assuring You Of Our Best Attention At All Times

United Ivory Sdn. Bhd. is a subsidiary of Tong Yong Metal Sdn. Bhd. which was established in 1980 as a machinery making and steel servicing centre. Apart from supporting cable bridge projects for the largest electricity provider across Malaysia, we have diversified our products to cater the building and construction industry. Our best-selling products include metal doors and window frames. In 1999, we have revolutionised the industry and transformed the features of architecture through the invention of our UNI-Interlocked steel roof truss system.

Our roots in engineering and experience in the building and construction industry has allowed us to successfully venture into the agricultural industry as an agro-house system provider. United Ivory Sdn. Bhd. designs and manufactures a deluxe range of agro-houses including broiler, layer, breeder, pullet and piggery houses. Our buildings are designed for easy installation and manufactured based on requirements and specifications to achieve better feed efficiency, growth rate and improved operating profits through better birds’ performance and lower mortality rates.

We strive to exceed the expectations of our clients by offering products that have great value and competitive in terms of price. We are also committed to provide our clients with the best customer service. We are distinguished by our products’ functionality, technical expertise and extensive industry knowledge. United Ivory Sdn. Bhd. is the ideal choice for great designs and solutions where we prioritise our customers’ needs without sacrificing engineering and construction responsibilities.

Company History


Establishment of Hong Liang Foundry Engineering

Specialized in machinery making and steel coil shearing and slitting services


Hong Liang Foundry Engineering as the sub-contractor for TNB nationwide cable bridge projects across Malaysia


Establishment of Tong Yong Metal Sdn. Bhd.

Specialize in steel base building materials – UNI Metal Door & Window Frames


Establishment of Hong Liang Steel Products Sdn. Bhd.

First application for patent – Door and Window Frame


Intellectual Property application for various intention

Worldwide Industrial Design, Patent and Trademark


Launch of UNI-Interlocked Steel Roof Truss System

The most feasible and excellent alternative to conventional building materials, in an environmentally sensitive manner in order to reach maximum structural strength and efficiency


Establishment of Evosteel Sdn. Bhd.

Aspires to have an impact on global steel products industry


Establishment of United Ivory Sdn. Bhd.

Diversify company business in agricultural as an Agro House System Provider

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