This product has little impurity, high purity, fixedconstruction.
本产品具有杂质少，纯度高，结构稳定的特点。
2
They have a fixedconstruction team with strict training to ensure the craft and the unified material delivery system can ensure the quality and environmental protection index.
拥有经过严格培训的固定施工队伍以保证施工工艺，材料统一配送系统保证了材料的质量及环保指数。
3
In recent years, the city has pumped some 10 percent of its GNP and 40% percent of its total fixed assets investment into the construction of the city's infrastructure.