KUALA LUMPUR: Bintai Kinden Corp's 51%-owned sub-subsidiary Bintai Energy Sdn Bhd has been awarded a series of subcontracts by Petro Flanges & Fittings Sdn Bhd (PFF) and various customers recommended by PFF for the supply of high-grade carbon steel/stainless steel piping, valves and piping accessories to various oil and gas businesses.