In 1980, Mdm. Loke Yoke Lan founded a business, Sun Weng Hing Hup Kee Foundry, its principal activities are in heavy and medium industries specializing in casting (molding) business. In 13 April 2002, the company changed its name to SWH Industries Sdn Bhd. The company is currently operating under a single storey factory cum double storey office on an acre industry land located at :
Main: Lot 132113, Jalan Lahat, Kawasan Perindustrian Bukit Merah, 31500 Lahat, Perak, Malaysia.
Branch: No. 11, Jalan Johan 1/5, Kawasan Perindustrian Estat Pengkalan II, 31550 Pusing, Perak, Malaysia.