Shaping drum as the core component of TBM, MESNAC has more than 20 years' experience for R&D and manufacturing Now we have more than 160 types of shaping drum which includes PCR drum, TBR drum, OTR drum, AT drum, MT drum and Air spring drum. According to different functions, drums are divided into unistage mechanical shaping drum, unistage bladder shaping drum, B&T drum, band drum, two-stage shaping drum, rotary drum and so on. Some patent technology including the synchronous servo turn-up technology, variable- force turn-up technology, combination technology of bladder &mechanical shaping drum , gapless bead lock segments technology , gapless bead lock segments twice expansion technology were independently developed by MESNAC, these patent technology are on the international leading level.

In 2011, WYKO, as a world-famous company leading in shaping drum technology joined MESNAC. The cooperation was very helpful for the further improvement of research and development of MESNAC' s drum technology, also this cooperation can provide the better product and service for global customers.