Import and export of goods, Technology import and export; Carry out import and export of various commodities and technologies to neighboring countries and regions through border small-scale trade(Except for goods and technologies that are restricted or prohibited from import and export by the state); Timber sales ; Sale: building materials, Decorative materials, Chemical products( The above does not contain dangerous chemicals and precursor drugs), sporting goods( No crossbow included), Cultural and office supplies, Daily necessities, Home appliances, Hardware, Daily ceramic products。