Professional Energy (M) Sdn. Bhd.Lot 1221, Block 7, MTLD, Lorong Demak Laut 3, , Demak Laut Industrial Park, , Jalan Bako, , 93050 Kuching, Sarawak, Malaysia
Hanayin Engineering Sdn. Bhd.Riveredge Commercial Centre, 1st Floor, Blok K, Jalan Merdeka, Sarawak, 93050 Kuching, Malaysia
Zecon Engineering BerhadFourth Floor, Menara Zecon, 92, Lot 393, Section KTLD, Kuching, Malaysia, Jalan Satok, 93400 Kuching, Sarawak, Malaysia