 Shandong Liaoyuan Luminescent Science And Technology Co., Ltd. is located in Economic Development Zone, Liaocheng , which is known as a Water City in the north of Yangtse River in Shandong Province. As a high-tech enterprise, we are specialized in R&D, manufacture and sale .We have made technical cooperation with some famous colleges and scientific research corporations. And now we already owned several invention patents and producing aptitudes .Moreover, the draft work of local standards named Fire Safety Evacuation Signs Installation Criterion...More |
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