From the early 1980s on, our company begain to get involved of building material industry,we have over 20 years general contracting history in lime field, also we keep on summarizing our experience in the construction materials area with the development of whole industry.
我感觉最后一句有点小别扭,翻译意思为：伴随着建材行业的发展我们也在不断总结经验.