VS1, as a kind of indoor vaccum circuit breaker, with its advantages of stable performance, rapid reaction and excellent breaking and closing capbility, is widely applied to 10-40.5kV power transmission and distribution system.
WENZHOU CAROL BALL VALVE CO., LTD's lock ball valve has been approved by the testing department, especially the US buyers are very appreciative of the quality of the product, the ball valve torque is very light, the product looks good, the medium used
220kV transmission line Electric transmission line power steel poles are made of polygonal steel pipes, circular steel pipes and other steels. Hot dip galvanizing or hot spraying zinc (and zinc alloy) coating is used for anticorrosion treatment. It is mai