They are employed by construction companies, cement and concrete contractors and manufacturers of precast concrete products, or they may be self-employed.

他们受雇于建筑公司，水泥和混凝土承包商和预制混凝土产品的制造商，或者他们可能成为自雇人士。

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Foamed concrete series products with cement, coal ash as raw materials, in line with the state advocates green environmental protection building of energy-saving material standards and requirements.

泡沫混凝土系列产品以水泥、粉煤灰为原料，符合国家提倡绿色环保型建筑节能材料的标准和要求。

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We produce and sell cement, ready-mixed concrete, gypsum wallboard, aggregates, asphalt, and related products and services.

公司生产和销售水泥、预拌混凝土、石膏墙板、集料、沥青和相关的产品及服务。

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Quinn Building Products supplies cement, concrete, roof tiles and other quarry products from plants at Ballyconnell in County Cavan and Derrylin in County Fermanagh.

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Based in Dallas, Texas, Eagle is a manufacturer and distributor of building material and construction products like cement, gypsum wallboard, recycled paperboard, and concrete and aggregates.

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