Tags Long Son Petrochemicals Conplex PVN and SCG commit to speeding up LSP complex Monday, Aug 21, 2017 Vietnam Oil and Gas Group (PVN) and Siam Cement Public Company Limited (SCG) signed a memorandum of understanding (MoU) on speeding up the process of the Long Son Petrochemicals (LSP) Complex in the southern province of Ba Ria – Vung Tau.