Hi, I am Jack Yang, I benefit the concrete floor covering and also concrete devices. I'm in China, where I've been dealing with concrete for 8 years now, and also this internet site is where I can show to you all the knowledge as well as knowledge I've gained from mounting all sort of ornamental concrete, concrete floorings, concrete overlays, tarnished concrete and additionally taking care of split or spalled concrete. My company is specialized in concrete laser screed, truss screed, roller screed, power screed and power trowel.