S P Metalwork Co., Ltd. was registered as a company limited on December 1,1994 by Mr. Sompong Pongkriangyos in order to engage in business of metal casting including gray cast iron, ductile cast iron,steelcasting,specal cast iron, etc. All products are produced according to the demands of customers (OEM) including tractor spare parts, gear boxes, pulleys, etc.
Subsequently, the company realized the necessity of business boundary expansion for long-term of company’s growth. As a result, in 2003, the company expanded product manufacturing to the products of cast iron pipe fittings and valves including gate valve, butterfly valve, and check valve under SP brand. Recently, we produce ductile iron pipe fittings also. The company’s major customers include government sectors such as Metropolitan Waterworks Authority (MWA),Provincial Waterworks Authority (PWA), Royal Irrigation Department, etc.

Currently, the company emphasized on developing the products to have better quality by focusing on production development and elaborate quality control for all production processes in order to produce quality product to meet with customer’s demands and conform to the company’s quality policy that

"We are striving to manufacture, distribute and provide good quality products and services as well as continuously develop such products and services to meet customer satisfaction.”