My company mainly production and sale of leather.

我公司主要生产和销售真皮。

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At present, the mainly production methods for all kinds of industrial use magnesium alloy's is casting.

目前，工业用各种镁合金主要的生产方式为铸造方法。

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Qum Formatiom with carbonate is mainly exploration aim stratum, the C4 member of Qum Formatiom is mainly production layer.

库姆组碳酸盐岩为主要勘探目的层，其中库姆组c 4段为主要产层。

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The strikes have mainly hit foreign companies. This is causing problems for those manufacturers that shifted production to China to take advantage of lower labor costs and to cash in on the potential consumer market.

VOA: standard.2010.06.24

The Ram ad mainly had better production values, after the company commissioned 10 photographers to grab fantastic photos from fields and barns and rangeland and roadsides across the United States.

FORBES: Chrysler, Farm Site Join Ranks Around Super Bowl 'Farmer' Ad

The world's largest uranium producer claims to be responsible for 16% of the world's production, mainly from its mines in Canada and the U.S. The Saskatchewan-based company expanded production by 17% in the third quarter and is on track to double that by 2018.

FORBES: Magazine Article

But production, mainly by two South African outfits in joint ventures with the Zimbabwean government, continued.

ECONOMIST: Zimbabwe and its diamonds