There is a reason for being expensive in a cordovan Randoseru(backpack).

There are a tannin tanning or chrome tanning in the process of a tanning about natural leather.

The chrome-tanning process of many animal skins is performed in China.

There are some reasons which are China.

1. There is an acrid aftertaste smell.

2. The regulation of China which deals with chromium is not severer than a foreign country. 

3. Since a machine will wash if the animal skin and chromium are put into a big drum, a tanning is made easily for a short time. And operation expenses are cheap. However, the quality of washing has a doubt. 

The countries which have a tanning factory in the skin of the buttock of a horse are the United States of America and Japan. 

A tannin tanning and chrome tanning are performed at the factory in Japan. 

The management in which cleaning fluid does not remain puts into practice at the chrome-tanning process of Japan. 

Moreover, processing of cleaning fluid has observed the severe statute. 

The matter required for a tannin tanning is ready in Japan. 

1. Warm climate 

2. Abundant fresh water 

3. Good salt 

A tannin tanning requires a skilled worker's high technology. 

Moreover, the process control technology for about one month until it completes is required. 

There are two necessary conditions in the factory in Japan. 

Cordovan Randoseru