De Song Technology Trading Co., Ltd.

We only sell products, not betray conscience.



"Good production, Good price, Good service" is our tenet.



Our export company is CMC Shanghai, we only use De Song contact
business on the website of Alibaba.



China is establishing the world first high voltage power measuring
standard in National Institute of Metrology (Beijing), we are the
agency of high-voltage power measuring equipment. It is a world
first high voltage measuring standard, this standard can measuring
high voltage of up to 10kV voltage and 1000A current.



Our company is the agency of ARC furnace & Copper extraction
solvent, especially Copper extraction solvent is our patented
product. Sell Railway rail & fastener, Steel pipe &
fitting, also sell machinery and equipment which of high-tech
product.



Our foreign sales have dealt with overseas customers for a long
time, have rich experiences. Our domestic purchaser always deal
with many Chinese factories, the effective communication solve the
difficu... [Details]