Sinorock® is self drilling anchor bolt manufacturer from China.
Sinorock has a professional team
Cui Yuqi, a clerk in Luoyang factory, has joined in Sinorock since July, 2016. The positive and sunny girl always brings people happy.
First English Test in Marketing Center On Dec. 10, 2013, marketing center organized the first English test. This test was mainly made for Sally and Shirley. Katherine was the chief examiner and other members were
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