Jiandi company is specialized in producing kinds of locks, with more than 10 years experience in R&D and manufacturing US type lock. Putting client on the most important position is our concept. "Your heart, our heart, matching heart" and " Character, Products, both seeking perfection" are our management idea ,which will lead us to produce out the top quality locks. Meanwhile i should declare that our products have pass the ANSI,UL and CE certificate test. We have strong technology team and manufacture team.