Service concept and commitment

Quantifying the quality indicators is a deeply popular measure. To this end, we have established national testing standards, advocated the reliability of air conditioners, and guaranteed the quality ...

Summary of policies of coal to gas and coal to electricity in 18 provinces

In order to let the agents know about the policy of coal to gas and coal to electricity in all parts of the country, and with the help of the policy to the greatest extent, we compiled and published ...