Hebei Si Tong Diamond Products Co., Ltd. (the predecessor of Hejian Si Tong Mould Factory) is located in the famous mould hometown - Hejian, the original company (Hejian Si Tong Mold Factory) was founded in 1987 and up to now has successfully expanded for three times, and completed the acquisition of Henan Kester diamond Powder Co., Ltd. in 2008。 The acquisition enables the company initially to enter R & D lines in the diamond industry chain.
    Our company is a diamond products company with the caramelized mold as the leading industry ......