我公司是常林股份有限公司在唐山地区的代理商。
Our company is often the forest Limited liability company in the Tangshan area business agent.
PHV在唐山地区的实验结果证明它能够稳定、有效的工作，而且优于其它非爆炸性震源。
Experiments in Tangshan area demonstrated that PHV works efficiently and stable, and has advantages over other non-explosive seismic source.
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