从上游的材料选择即开始严格把关，如选取上等雪茄烟叶品种，在适宜的地理位置、土壤质量、气候条件下种植。
Upstream from the choice of materials began to strict checks, such as selecting high quality cigar tobacco variety, in a suitable location, soil quality, climate conditions of cultivation.
卷烟、雪茄烟、烟丝、复烤烟叶统称烟草制品。
Cigarettes, cigars, cut tobacco and re dried leaf tobacco are generally referred to as tobacco products.
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