About us


The company was found In 1964 and based on heart of thailand, we starting business called Nguan Seng Lohakit co.,ltd as the purposed for producing brass sheet to supporting the of domestic market. As business trend is change, we continuous developing process to producing higher grade brass as for semi material such as brass bar and wire with larger capacity expanded with lastest technology& quality mind. We  producing all type of brass products by international Standard such as JIS, ASTM, DIN, UNS,etc also we sepcial  customer required plus individual special contorlled.

Since 1990, we establish second factory to expanding facility started to production in hot forging parts and brass rod called NSL Industry co.,ltd with a motivation to be recognised as completed intergragted brass manufacturer. And been introducing new products as brass rod, wire, hot forging brass parts target to support with growth of most of japanese industrial as localised, export usage. The brass rod which we produced is based on Japanese standards. Most customer which operated in Thailand were supplied as for their semi-materials. For hot-forging  parts which most usage in air-conditioning industry, valves industry, Automotive and sanitary fitting. We are pround to recognise ourself as continunously growth company since 2004 with unlimit development piece of mind.

In year 2004, we are opening third factory called NSL Brass (Thailand) co., ltd as purpose to expanding capacity of production for brass rod, wire production with advanced technology based on new type of 2 extrusion press as to suite to our melting productivity. Within the same year we have a chance to recruited a Metallurgical engineer consulting from Japan which experienced more than 40 years in brass field to helping us developing quality control standard. plus developing the company to standard of ISO9001:2000. As today, with experience more than 48 years or work, we are one of leading companies in Thailand who supplying varity ranges of brass products such as Brass sheet, Brass plate, brass rod, brass wire and Hot Forging brass, Machining forging parts. with production of 2,000 tons/month We also specialize for developing new materials as for customer individual usage.With the latest technologies from present day plus a historical knowledge traditional to supporting each field of production to insured that all of products are suite to variety of need and to make sure that customer shall always meet with satisfaction.

Board of director

Mr. Sutep Jatupornpukdi
Mr. Niyom Jatupornpukdi
Deputy Managing Director

Factory Information

Staff Strength320 Employees
Areas110,000 SQM
forging parts /months3.5 M /month