Wenzhou Tiance Optical Instrument Co., Ltd. is located in Wenzhou Industrial Base, with 6600 square meters soil area. We manufacture geodetic survey apparatus and related products, there are some main products such as: various specifications and types of wooden tripods, aluminum alloy tripods, concrete rebound hammers, aluminum alloy tower ruler, sighting rod and various modes of magnifiers. We have about 20 years of manufacturing experience, advanced techniques, complete current equipment and special equipments. After these years, through technical reconstruction, the quality of our products has been improved continuously, and we have passed ISO9001:2000 Quality Management System Certificate. Laying emphasis on quality of products and good service all along is our tenet. We would give new and old clients circumspect service with favorable stance and zealousness.