In-saiL & Sandum originated from Leasan Group, established in 1982 in Taiwan. We specialize in high-quality fastening system components, automation parts, electronic components, mold components, and machining tools. To strengthen its competitiveness and better serve customers in mainland China, In-saiL established an independent operation center in Shenzhen in 2008 and launched the In-saiL® brand in 2012. The company is committed to the development and manufacture of precision parts and fastening solutions.