Our products . in short supply need to technology upgrading in order to meet market requirements.

产品供应不求，急需进行技术更新改造，以满足国内外市场的需求。

youdao

Our products . in short supply need to technology upgrading in order to meet market requirements.

产品供应不求，急需进行技术更新改造，以满足国内外市场的需求。

youdao