华茂昌公司的纯铁规格多、品种全、质量优。
Huamao Changs pure iron specifications, the whole variety, quality distinctions.
力矩小，重量轻，规格多，适用于小型机械。
Small torque, weight light, various specifications, suitable for minitype equipment.
氧化镁是镁化合物的核心，它产量大，应用面广，品种规格多，并且是其他高纯镁化合物的原料。
Magnesium oxide (MgO) is the core of magnesium compounds because of its high output, wide use, lots of kinds, besides MgO is the materials of the other pure magnesium compounds.
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