About Us

SANLIN Machinery & Piping Components Co., Ltd. is a China-based flange manufacturer who is certified by ISO 9001 and the German TUV-PED/97/23. Our company offers premium flanges in carbon steel or nickel-base alloys. We can also craft flanges from normal, duplex, or super-duplex stainless steel. These flanges are available in specifications such as blind, spectacle blind, slip on, plate weld, socket weld, threaded pipe, weld neck pipe, and long welding neck.

We offer 6m connective flanges for specialized wind-power electric towers. Additionally, we supply large-format ring forgings with a diameter specification of 6m. These products are primarily utilized in power stations, ship construction, and the extraction of oils or natural gases.

Since our inception in 1999, we have placed the emphasis on flange production and exportation. Our company strives to satisfy the diverse standards of clients everywhere.  Over 90% of all products are shipped overseas for distribution amongst more than 20 countries and regions across America, Europe, and Asia. SANLIN flanges enjoy an excellent reputation on international markets, well on its way to becoming a world famous brand.

In 1989, we began investing in overseas ventures. Our client-base now consists of contacts from all corners of the world, including Chile, Japan, Turkey, Germany, Australia, South Africa, and the United Kingdom. Over the years, we have always maintained the famous SANLIN quality. The high expectations of our clients and fierce market competition have forged our "SL" series flange into a trusted and well-known brand