TRESNA provide ODM/OEM service for more than 130 companies and/or
brands worldwide.

Being a national high-tech enterprise, we are supplying thousands of
products of ODE & OEM & Wholesale service all over the world since
1989 . All the ODE & OEM & Wholesale products includes digital
calipers series, vernier calipers, dial calipers, dial calipers
series, depth gauges, digital scales units, micrometers, digital
height gauges, indicators, digital thickness to LCD digital units with
200 types and 1000 standards.