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Hangzhou MainChina Machinery Co.Ltd


Experienced, Professional, Powerful, Responsible Transmission parts Manufacturer


In 1990, Tomorrow machinery manufacture Co., Ltd as a CNC processing factory was found in Sanjie town, Shengzhou city which is the sprocket base ofChina.


Until year 2011, We brought in all new Gear hob machine,High-precise CNC, Saw machine, Drilling machine, Milling machine, Broaching machine, Induction hardening machine and others. Total:120sets process machines.

Cover 20,000 square meters, 8000 m²of processing area, 4 independent workshops.


we have already produced transmission parts for 21 years. During the past 21 years we mainly produce different types of sprockets,gears,shafts, timing belt pulleys and other parts according to customer’s drawings.


Same year, we get the right of import and export.


In 2011 we set up Hangzhou MainChina Machinery Co., Ltd as our branch company inHangzhouwhich focus on export business for Tomorrow manufacture Co., Ltd.


2013, we applied for Mr. Sprocket as a trademark,

2014, ISO9001:2008 certificate.