中国, 上海关闭 美国, 中环
翻转交叉The size of the horizontal desk calendar
The size of the horizontal desk calendar 1. Calendar page size: 220×160mm (W×H) Desk calendar base size: 220×180mm (W×H) 2. Calendar page size: 250×110mm (W×H) Desk calendar base size: 250×140mm (W×H) 3. Calendar page size: 260×130mm (W×H)…
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Classification of calendars
Classification of calendars There are three types of calendars: lunar calendar, solar calendar and lunisolar calendar. 1. The lunar calendar is one of the traditional Chinese calendars and the first calendar of ancient countries. The calendar based on…
Characteristics of synthetic fiber sleeping bags
Characteristics of synthetic fiber sleeping bags Synthetic fiber has better moisture resistance and wet sleeping bags can still maintain warmth, quick drying, low price, but slightly heavier than down sleeping bags of the same level, not easy to squeeze…
Features of down sleeping bags
Features of down sleeping bags The material of down can be divided into white goose down, white duck down, grey duck down, water bird down and so on. The warmth per unit weight is the most effective. Feather sleeping bags are relatively warm, easy to…
Features of military sleeping bags
Features of military sleeping bags Different temperature zone sleeping bags, cold zone sleeping bags, etc. It is mostly used when sleeping in the wild. It has the characteristics of warmth, waterproof, moisture permeability, lightness, comfort and hygiene.…
