Recommended series/models: IA series, IB series, ID series, IU series
 
Although it was established only ten years ago, with the rapid development of the domestic outdoor products market, Heijing has grown rapidly, and now it has occupied 60% of the market share of more than 100 yuan in the Chinese market.
 
There are many types of black crystal snow sets, but most of them are entry-level snow sets, and the price is concentrated at about 100 yuan, which can cope with various outdoor sports scenarios such as high-altitude mountaineering, professional ice climbing, mountain hiking, snow walking, and cross-country running according to different product series.
 
IA series for high-altitude mountaineering snow cover, this is the high-end series of black crystal, the series of the highest positioning IA004 price reached 299 yuan, is its price peak, the product is made of nylon and CORDURA fabric combination, suitable for 5000-7000 meters of high-altitude mountaineering scene.
 
The IB series is a snow climbing sleeve product, nylon fabric, with a single-piece structure, close to the tight design, can be paired with professional skating shoes with card slots and single-layer alpine boots, more suitable for the pursuit of fluid movement of ice climbing extreme sports, can also be used for 5000-6000 meters altitude mountaineering.
 
For hiking in the mountains, the ID series and IU series are available. The upper part of the ID series snow cover is made of 3-layer waterproof polyester fabric, and the lower part is made of CORDURA fabric, and the wearing method has been changed from Velcro to YKK zipper, which is suitable for mountain and hiking sports of general intensity. The IU series is a lightweight version made of silicone-coated CORDURA fabric, waterproof and lightweight, making it suitable for hiking at an altitude of 3,000 meters.
 
Heijing also has an IF series snow cover specially designed for children, only IF001 is a product, priced at 99 yuan. Made of 100% nylon, the IF001 snow cover is printed with a colourful honeycomb print on the surface and is available in four colours to fully meet the individual needs of your child and is suitable for hiking at an altitude of 2000 meters.