 Various famous Chinese travellers like Wanghunshe and Huansang in 648 AD have appreciated Nepalese arts and crafts and the skills of Nepalese craftsmen and artisans in their travelogues.From the beginning up to the mid-nineteenth century, the rulers of the country promoted national industries and trade to various measures of production, promotion and encouragement.Saving national industry only imported commodities which were not produced locally.