About UsCompany History Certificate Policy Over 30 years in manufacturing internation standard filter, S.T. FILTER CO.,LTD. services continually to develop production capability to satisfy the needs of every target customers. From a small manufacturer of automobile filters, today ,our production line of air filters are expended in to a large automobile, marine as well as automobile air filters and oil filter as well as other automobile products, covering small engines to large engines of all types, including contract manufacturing for Original Equipment Manufacturer (OEM) for automobile manufacturer all over over the country. S.T. FILTER CO.,LTD. has the production base in Ekachai Road,Bangkhuntain Sub-district,Bangkok, Every day, over 200 workers start their day in the production lines to produce quality filters to serve demand in the market as well as a standard warehouse and transportation system to ensure safety.In addition to producing the product for domestic market, S.T. FILTER also expands the production line for grobal distribution to all over the world. In asia(Taiwan,South Korea,Japan,Saudi Arabia, Algeria, Jordan, Kuwait, Bahrain, Myanmar, Laos, Cambodia, Vietnam, Malaysia, Singapore, Indonesia, Sri Lanka, Bangladesh and Iran) In europe (Belgium,Holland,Germany,Italy and Austria)In North America (Guatemala and Surinam) New Zealand and Egypt. S.T. FILTER produces filters to serve from small to large engines. The filters are devided into Engine Oil filter,Solar Filter, Air Filters, Hydraulic Filters Cabin Air Filters.