Our factory was founded on 28th, May 1986. We have changed the name into Hangzhou Tianma Time Control Si-Tech., Ltd. in 2009. Hangzhou Tianma Time Control Si-tech., Ltd. is a one of the earliest private corporations in Hangzhou. We have an assembly building of 21,000 square meters, equipped with 18 assembly lines, 35 plastic machines and 45 accurate punching machines. We staff 750 workers. Our annual production value is 200 million Yuan. Carrying out ISO9001 quality system, we have received UL, TUV, ITS, CCC, CQC and RoHS approvals for our products.