After supplying cranes system for the factories of Hyosung Group in Dong Nai include: Hyosung Dong Nai Co., ltd, Hyosung Vietnam Co., ltd. PTT continues to be trusted to supply the ninth factory of Hyosung Group, located in Tam Thang IP, Quang Nam province. From September 2019, PTT began to deliver and install for more than 20 items including overhead cranes, monorails and cargo lift. Up to now, PTT has handed over 8 sets and proceeded to install the remaining sets. These orders are expected to be completed in early 2020 when Hysoung finishes handing over the plant site.

Hyosung Group is one of the largest corporations in Korea. Currently, Hyosung Group is the largest investment in Vietnam with many factories operating in the fields of machinery, steel fibers, textiles and petroleum.