China 400mm Marble Saw Blade manufacturers 鈥?Our History 1993-Saint-Horse Diamond Tools Co., Ltd. was founded in Mashan village, Ezhou city 2004-Unity Qirui Saw Industry Co., Ltd. was founded in Chihu village, Ezhou city 2016-Two enterprises were mergered and reorganized into Hubei St. Bairui Diamond Tools Co., Ltd. 2017-Enterprise completed automation and digital transformation, product...